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Temperate Broadleaf & Mixed Forests

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Pannonian mixed forests

Biome

Temperate Broadleaf & Mixed Forests

Biogeographic realm

Palearctic

Continuous broadleaf forest over hills above farmland at Buchlov, Czechia.

Region photo - Tomas Merta / Wikimedia Commons - CC BY-SA 4.0; attribution required.

Pannonian mixed forests

The Pannonian mixed forests blanket the Carpathian Basin of Central Europe, covering all of Hungary along with parts of Slovakia, Croatia, Slovenia, Bosnia and Herzegovina, Romania, Serbia, and smaller portions of Austria, the Czech Republic, and Ukraine. The basin sits in a depression ringed by the Carpathian Mountains to the northeast, the Alps to the northwest, and the Dinaric Mountains to the southwest, with the Danube and Tisza rivers running through it. Its vegetation mixes forest steppe at the center with temperate forest elsewhere, dominated by oak, oak-hornbeam, and beech communities; characteristic trees include pedunculate, sessile, and Turkey oak alongside hornbeam, with European beech, birch, and aspen at higher elevations and conifers such as silver fir and Norway spruce. The encircling ranges give the center a sheltered position that limits rainfall reaching the basin floor. The red-footed falcon is the flagship species, and the region shelters endemics including the Hungarian meadow viper, the Pannonian snail, and the translucent Aggtelek cave shrimp, though only about one-sixth of the area remains forested under pressure from agriculture, drought, and invasive black locust.

RESOLVE 674

Palearctic

118,500 sq mi

Temperate Broadleaf & Mixed Forests

Landscape type

Temperate Broadleaf & Mixed Forests

Plant region

Palearctic

Region footprint

118,500 sq mi

Habitat pressure

Nature Could Recover (Dinerstein NNH 3)

Source & care

Plants that can handle this region

A climate-fit shortlist from Plotwright's catalog. Start with the reliable fits, then use each plant page to check light, water, soil, mature size, and local availability.

Showing 544 of 544 climate-fit plants for this region.

Reliable climate fits

Good bets for now and later

501 plants

These plants fit the region today and stay within range under the mid-century projection. Start here when you want choices with the least climate regret.

Yucca filamentosa

Adam's needle

A virtually stemless, broadleaf-evergreen native of central and eastern North America: a basal rosette of rigid, sword-shaped, spine-tipped leaves up to 30 inches long, fringed along the margins with the curly white threads that give the species its name. In early summer a flowering stalk shoots from the center to 5 to 8 feet, carrying nodding, bell-shaped, creamy-white flowers. Tough enough for poor sandy soil, heat, drought, and salt spray, it earns its keep as architectural structure in dry and seaside gardens.

Shrub

Full sun / Part shade

A tall, bold warm-season annual from Mexico and Guatemala (the "African" name is a misnomer of its European garden history) grown for large, fully double, pompon-like flowerheads in saturated yellow, gold, and orange over strongly aromatic, finely divided foliage. Plants reach 1 to 4 feet and bloom from early summer to frost in full sun. The petals are edible and used as a culinary garnish and natural dye, and the flowers are the iconic "flor de muerto" of Mexican Day of the Dead. Despite the wide listed zone range it is frost-tender and grown for a single warm season.

Annual

Full sun / Part shade

A native eastern + central North American thicket-forming shrub producing arching thorny canes + clusters of large sweet black berries in mid-to-late summer. Among the most important wildlife fruit producers in eastern forests - birds, mammals, + insects all depend on the fruit. Like raspberry, biennial-caned (primocane year 1, fruits in year 2 as floricane, then dies back). Spreads via root suckers + tip-rooting cane tips; manage with annual pruning.

Pachysandra procumbens

Allegheny spurge

A native Southeastern North American semi-evergreen woodland groundcover (Pachysandra procumbens), prized for its blue-green to bronze mottled leaves and fragrant white-to-pinkish bottlebrush flower spikes that open at ground level in late winter to early spring. Unlike the widely planted invasive Asian Pachysandra terminalis, this native spreads slowly by rhizomes into well-behaved clumping colonies, making it a low, restrained groundcover for shaded native plantings.

A dense, conical-to-narrow-pyramidal evergreen tree native to eastern and central North America, prized as a screening and foundation conifer. Flat, fan-like sprays of scale-like, aromatic yellow-green foliage clothe the tree from the ground up, and red-brown bark exfoliates on mature trunks. Wild trees can reach 40 to 60 feet but cultivated plants typically stay near 20 to 30 feet; small urn-shaped cones and dense evergreen cover make it valuable food and shelter for birds.

Tree

Full sun / Part sun / Part shade

A medium-to-large native shade tree of central and eastern North America, reaching 50 to 80 feet with an ovate-rounded crown and large, asymmetric heart-shaped leaves. In June it carries pale-yellow, intensely fragrant flowers on pendulous cymes - each cluster hung from a distinctive strap-like leafy bract - that ripen into pea-sized nutlets. The fragrant June bloom is a premier nectar source: Missouri Botanical Garden lists it as attracting bees and butterflies, and the Lady Bird Johnson Wildflower Center flags it as having special value to both native and honey bees.

Tree

Full sun / Part sun / Part shade

Once the dominant canopy hardwood of the eastern United States forest - an estimated four billion trees, prized for fast growth, rot-resistant timber, and an enormous annual crop of sweet edible nuts that fed people, livestock, and wildlife alike. In the early 1900s an introduced Asian fungus, chestnut blight (Cryphonectria parasitica), swept through and functionally destroyed it: by the 1950s the species was effectively extinct as a mature forest tree. Surviving root systems still send up sprouts from old stumps, but the blight almost always girdles and kills them before they can grow large enough to flower and reproduce. The honest reality for a gardener is that you cannot reliably grow a mature wild-type American chestnut today. The realistic paths are blight-resistant backcross hybrids from The American Chestnut Foundation or transgenic blight-tolerant lines still being deployed - not a pure wild seedling, which the blight will almost certainly kill.

Tree

Full sun / Part shade

A fast, suckering native shrub of streambanks and moist thickets across eastern North America, grown for huge flat-topped cymes of tiny lemon-scented white flowers in early summer and the clusters of dark elderberry drupes that follow. Spreads by root suckers into naturalized colonies 5 to 12 feet tall and wide; the flowers feed butterflies and the showy fruit feeds birds. The raw berries are not eaten fresh - they are cooked into jelly, pie, and wine.

Shrub

Full sun / Part sun / Part shade

The American elm is the great vase-shaped shade tree that once arched over Main Streets and town commons across eastern North America - a fast, extremely cold-hardy deciduous tree of 60 to 80 feet whose upright trunk divides into a fountain of high, spreading limbs that meet overhead to form a living cathedral ceiling. That iconic form, and the species' tolerance of wet soil and tough urban conditions, made it the default American street tree for a century. Then Dutch elm disease (DED) - an introduced fungal disease carried by elm bark beetles - swept through in the 20th century and killed the vast majority of mature street and shade elms across the continent. The honest reality for a gardener today is blunt: do not plant the unselected wild species expecting it to survive. If you want the American-elm form, plant a DED-tolerant cultivar bred and selected for resistance - 'Princeton', 'Valley Forge', 'New Harmony', or 'Jefferson' - and say so plainly. Where it does grow, it is fast, hardy to USDA zone 3, and remarkably forgiving of wet ground and city stress.

Tree

Full sun / Part shade

American germander, also called wood sage, is a widespread North American native perennial in the mint family that runs steadily underground on creeping rhizomes. From early to midsummer it sends up erect, softly hairy stems topped with one-sided spikes of pale pink-to-lavender flowers, each with the distinctive deeply lobed lower lip that gives the germanders their look and makes a generous landing platform for bees. It is a plant of moist open ground - wet meadows, streambanks, ditches, and the edges of thickets - across most of the contiguous United States into southern Canada, which tells you exactly what it wants: sun and a soil that does not dry out. The honest caveat is its vigor: those same rhizomes that fill a bank or a rain garden so readily will also colonize a tidy perennial border and crowd politer neighbors. Site it where it can run, or give it a root barrier, and it rewards you with a long, dependable bee-friendly bloom rather than a maintenance fight.

Perennial

Full sun / Part shade

A rounded, multi-stemmed deciduous shrub native across eastern and central North America, grown for its edible nuts and its season-opening catkins. Showy 2-3 inch yellowish-brown male catkins dangle from bare branches in early spring before the ovate, double-toothed leaves emerge; small egg-shaped edible nuts ripen inside leafy husks by mid- to late summer. Easygoing in average soil and tolerant of clay and black walnut, it suckers into thickets that screen and shelter wildlife.

Shrub

Full sun / Part sun / Part shade

The only native U.S. holly with both spiny green leaves and bright red berries - an upright, pyramidal, broadleaf evergreen tree that slowly matures to 15 to 30 feet in cultivation (to 50 feet in the wild). Thick, leathery, deep green leaves bear spiny marginal teeth, and pollinated female trees carry showy red-to-orange drupes that ripen in fall and persist through winter as bird food. This is the classic "Christmas holly" of wreaths and decorations.

Tree

Full sun / Part sun / Part shade

Good now, not later

Good now, less certain later

1 plants

These plants fit the region as it is today. The projection moves them outside their listed range, so treat them as shorter-horizon or higher-care choices.

Pinus resinosa

Red pine

Red pine (Pinus resinosa) is the straight-trunked northern pine of sandy hills and glacial plains, 50 to 80 feet tall and only 20 to 25 feet wide, with a conical crown, horizontal branching and bark that is genuinely red-tinged from crown to base - which is where the name comes from, since the needles are ordinary dark green. It carries two of the cleanest identification tests in the genus. The needles are four to six inches long in bundles of two, and they are brittle in a specific way: bend one and it snaps crisply in half rather than folding, which no other pine in its range does. It is the tree of the great Depression-era plantations across the Upper Midwest and Ontario, planted in rows on sand that had been logged and burned, and much of what looks like red pine forest is that planting. The honest limit is heat. Missouri Botanical Garden rates it zones 2 to 5 and does not recommend it for landscape planting south of zone 5, because hot humid summers defeat it - this is a tree for cold winters and cool summers, and nowhere else.

Future climate matches

Likely better as winters warm

42 plants

These plants are not the best current fit, but the mid-century projection moves this region toward their comfort range.

Callicarpa americana

American beautyberry

American beautyberry (Callicarpa americana) is a loose, open, arching deciduous shrub of the southeastern and south-central United States, grown almost entirely for one spectacular autumn trick. Through summer it is a quiet green background plant, carrying small clusters of pink-to-lilac flowers tucked into the leaf axils. Then, from late summer into fall, those clusters ripen into tight whorls of vivid magenta-purple berries that wrap right around the stems at every leaf joint, so the arching branches look strung with beads. Songbirds strip them through fall and early winter. It is an easy, fast-growing, forgiving native that asks for little: full sun to part shade, ordinary well-drained soil, and room to arch. Site it where the fall berry show can be seen, because in leaf and flower it is plain, and in fruit it is one of the most distinctive shrubs you can grow.

Shrub

Full sun / Part sun / Part shade

Atlas cedar is a large, long-lived evergreen conifer native to the Rif and Atlas Mountains of Morocco and the Tell Atlas of Algeria, where it forms forests at 3,839 to 7,218 feet elevation (Wikipedia). In cultivation it develops a stately, broadly conical to flat-topped crown with silver-blue to grey-green needles, reaching 98 to 115 feet tall - a genuinely majestic specimen tree for large gardens and parkland. The honest catch is scale: this is not a suburban garden tree. It grows too large for most plots, casts dense, permanent shade beneath its canopy, and drops barrel-shaped cones that can be heavy and messy. Surface roots lift paving and outcompete underplanting once the tree matures.

Hydrangea macrophylla

Bigleaf hydrangea

A woody, deciduous flowering shrub in the Hydrangeaceae, native to Japan, China, Korea, and Southeast Asia and long grown as the classic "hortensia" or French hydrangea. NC State Extension describes a rounded shrub 3 to 6 feet tall and wide with large opposite, simple, toothed leaves (4 to 8 inches long) and big rounded mop-head or flat lacecap flower clusters in late spring and summer in white, pink, blue, or purple. Famously, flower color tracks soil chemistry - acidic soils push the blooms blue and alkaline soils turn them pink. It wants protection from hot afternoon sun and steady moisture, making it a mainstay of shaded foundation plantings and woodland borders.

Shrub

Part sun / Part shade

Viburnum × bodnantense

Bodnant viburnum

Bodnant viburnum is a garden hybrid (Viburnum farreri × V. grandiflorum) bred circa 1935 at Bodnant Garden in Wales, with no wild native range. Its signature appeal is intensely fragrant, deep-pink flower clusters that open on bare stems from November through March - a unique winter-to-early-spring performance that few shrubs can match. The honest catch is timing: those early flowers are highly frost-tender and a single hard freeze after they open can destroy an entire season's bloom, leaving the plant ornamentally ordinary until autumn foliage color arrives.

Shrub

Full sun / Part shade

Eschscholzia californica

California poppy

The California state flower - a drought-tolerant southwestern native perennial (grown as annual outside zones 8-10) producing iconic vibrant orange (sometimes yellow, pink, red, or white in cultivars) cup-shaped flowers that open in sun and close at night or in cloudy weather. Naturalizes readily via self-seeding; among the most reliable hot-dry-site wildflowers for borders, meadow plantings, and rock gardens. Family Papaveraceae but unrelated to the opium poppy (different chemistry, no narcotic alkaloids).

Annual

Full sun

Low water

Zones 6a-10b (perennial in zones 8a-10b); annual elsewhere

Dianthus caryophyllus

Carnation

The classic clove-scented carnation, a short-lived evergreen perennial in the pink family grown for centuries for its frilled, spice-fragrant double flowers and tidy mounds of narrow blue-gray foliage. Native to the Mediterranean region, it thrives in full sun and lean, sharply drained, neutral-to-alkaline soil with steady but never soggy moisture, and is hardy in USDA zones 6a-9b. It is the florist's carnation and the parent of countless border and perpetual-flowering strains, prized as much for cutting as for the garden.

Perennial

Full sun / Part shade

Cherry laurel is a fast-growing evergreen shrub or small tree native to the Black Sea rim - from Albania and Bulgaria east through Turkey to the Caucasus and northern Iran - prized for its bold, glossy foliage, spring racemes of creamy-white flowers, and unmatched tolerance of shade, drought, and heavy pruning. It makes an outstanding dense hedge, screen, or woodland understory filler in zones 6–9. The honest catch is a two-part warning: every part of the plant contains cyanogenic glycosides (prussic acid), making leaves, seeds, and fruit genuinely toxic to humans and animals; and in mild, moist climates such as the UK and Pacific Northwest it seeds aggressively via bird-dispersed fruit, is classified as invasive, and can smother native understory vegetation wholesale.

Shrub

Full sun / Part sun / Part shade

Chinese pistache is a medium to large deciduous tree native to the hill and mountain forests of mainland China and Taiwan, where it grows on rocky, well-drained soils from 328 to 11,811 feet elevation (Wikipedia). Celebrated for its brilliant scarlet-to-orange autumn foliage and tough constitution - drought tolerant, pollution tolerant, and adaptable to poor soils - it has become one of the most planted street and shade trees in warm-temperate regions worldwide. The honest catch is twofold: female trees drop persistent small drupes that create a slippery mess on hard surfaces and can stain, and the species is documented as an up-and-coming invasive in parts of the southern United States (particularly Texas), escaping cultivation and reducing native biodiversity (Wikipedia). Verify local invasive status before planting.

A multi-stemmed deciduous large shrub or small tree native to central China, grown for a dense early-spring display of rosy purple-pink pea-family flowers borne directly on bare branches and trunks before the leaves expand. The glossy, rounded heart-shaped leaves follow, and flat bean-like seed pods ripen and persist into winter. More shrubby and densely branched than the native eastern redbud, it makes a compact spring focal point for zones 6-9.

Shrub

Full sun / Part shade

An ancient Mediterranean fruit tree grown for millennia for its sweet, soft edible figs - a deciduous shrub (10 to 15 feet) or small tree (to 15 to 30 feet) with bold, deeply 3-5 lobed palmate leaves and smooth silver-gray bark that gnarls handsomely with age. Its tiny greenish flowers bloom hidden inside hollow receptacles that swell into the fruit; most cultivars are parthenocarpic, setting figs without pollination. Best in USDA Zones 8-10, it survives Zones 6-7 in sheltered, south-facing spots with winter protection or grown in containers moved indoors.

Tree

Full sun / Part shade

Santolina chamaecyparissus

Cotton Lavender

Cotton lavender is a compact, mound-forming evergreen shrub native to the western and central Mediterranean, valued for its intensely silver-grey, aromatic feathery foliage and bright yellow button flowers in summer. In the garden it excels as a low edging, silver accent, or knot-garden structural element and tolerates drought and poor soils with ease once established. The honest catch is its short life in heavy or wet ground: without sharp drainage and a hard annual clip it becomes woody, open-centred, and collapses within three to five years, making site selection the single most important decision before planting.

A multi-stemmed deciduous shrub or small tree in the loosestrife family, grown across the warm South for its long midsummer show of crinkled, crepe-paper-textured flower panicles. Missouri Botanical Garden PlantFinder describes rose-to-red bloom from July through September on plants reaching 6 to 25 feet tall, followed by yellow-orange-red fall foliage and smooth, mottled exfoliating bark. Native to China, Indochina, the Himalayas, and Japan - not a North American native - it tolerates drought, clay soil, and urban conditions once established.

Planting collections

Finished planting recipes where every member can handle this region's climate range. The fit badge uses the collection's most sensitive plant, so a resilient collection is a safer starting point than any single standout.

Annabelle hydrangea (Hydrangea arborescens 'Annabelle') showing large white ball-shaped flower clusters on a rounded deciduous shrub.

Coral bells (Heuchera 'Marmalade') showing a low mound of ruffled coppery-orange foliage characteristic of the Heuchera villosa-derived hybrids.

Climate-resilient · 2 plants

Bright shade foundation

A part-shade planting with shrub structure and low foliage contrast.

Annabelle hydrangea

Coral bells

Switchgrass (Panicum virgatum) mature clump in the green growing season, its upright vase-shaped habit topped by the airy, diffuse open panicles diagnostic of the species.

Little bluestem (Schizachyrium scoparium) clumps in a garden bed, showing the species' upright, fine-textured blue-green vase-shaped growing-season habit.

Common milkweed (Asclepias syriaca) mature clump in flower, showing its stout upright reddish stems, broad opposite leaves, and pink-mauve flower umbels with young green pods.

A full clump of black-eyed Susan (Rudbeckia fulgida 'Goldsturm') in a garden bed, showing the dense mounded foliage base topped with golden, dark-centered daisies on branching stems.

Climate-resilient · 8 plants

Climate-resilient natives for warming zones (eastern NA)

A pollinator-supporting palette of eastern North American natives with broad hardiness ranges and wide native distributions. Built for gardeners who want a planting that can handle warming zones without giving up wildlife value.

Purple coneflower (Echinacea purpurea) in bloom, showing pinkish-purple ray petals around a brown-domed central cone on an erect stem.

Wild bergamot (Monarda fistulosa) clump in an open meadow, its several upright square stems each topped by a ragged lavender flower head over toothed mint-family foliage.

Climate-resilient · 9 plants

Native pollinator border (eastern US)

A continuous-bloom native pollinator strip for eastern North America. Covers spring through frost with host + nectar plants spanning monarchs, native bees, hummingbirds, and specialist Lepidoptera. Little bluestem provides the matrix grass + Hesperiidae host.

Woodland phlox (Phlox divaricata) showing five-petaled pale lavender-blue flowers on slender erect stems above a low spreading mat of foliage.

Wild columbine (Aquilegia canadensis) whole plant in rocky-ledge habitat, the airy blue-green compound foliage hung with nodding red-and-yellow spurred flowers.

Foamflower (Tiarella cordifolia) showing characteristic frothy white spring flower spikes above heart-shaped foliage.

Climate-resilient · 6 plants

Part-shade woodland edge

A part-shade / bright-shade planting for morning sun or dappled light - eastern North American woodland-edge natives with spring bloom, season-long foliage, and a fern + shrub structure.

Wild ginger (Asarum canadense) - a clump rising from a mossy forest floor, paired heart-shaped leaves on fuzzy petioles arching over the maroon jug-shaped flowers nestled at ground level.

Bloodroot (Sanguinaria canadensis) showing characteristic white multi-petaled flower wrapped in a rounded leaf.

Virginia bluebells (Mertensia virginica) showing pendulous pink-to-blue bell-shaped flower clusters above smooth blue-green foliage.

Climate-resilient · 7 plants

Shade & understory woodland

A full-shade woodland-floor community for deep shade beneath a closed canopy: an understory shrub, spreading groundcovers, spring ephemerals, and a large fern - eastern North American natives that expect low light and leaf-litter soil.

Climate-resilient · 4 plants

Sunny pollinator border

A durable sunny border with summer bloom, seedheads, and upright winter texture.

Starter kits for this region

Generated from catalog plants that already pass this region's climate fit gate, with native matches sorted first when the catalog has enough coverage.

Sunny pollinator border

A sunny, wildlife-forward planting assembled from plants that pass this region fit gate.

Native fit: 0/6

Climate resilient: 6/6

Wildlife links: 14

Host/specialist links: 4

Forage/pollination links: 16

Shelter links: 1

Adam's needle - Climate-resilient African marigold - Climate-resilient Allegheny blackberry - Climate-resilient American arborvitae - Climate-resilient American basswood - Climate-resilient American chestnut - Climate-resilient

Shade-edge planting

A softer edge kit for woodland margins, porches, and mixed-light garden edges.

Native fit: 0/6

Climate resilient: 6/6

Wildlife links: 14

Host/specialist links: 4

Forage/pollination links: 16

Shelter links: 1

Adam's needle - Climate-resilient African marigold - Climate-resilient Allegheny blackberry - Climate-resilient Allegheny spurge - Climate-resilient American arborvitae - Climate-resilient American basswood - Climate-resilient

Resilient shrub layer

A woody structure layer led by plants that fit both current and projected regional conditions.

Native fit: 0/6

Climate resilient: 6/6

Wildlife links: 21

Host/specialist links: 4

Forage/pollination links: 21

Shelter links: 4

Adam's needle - Climate-resilient Allegheny blackberry - Climate-resilient American arborvitae - Climate-resilient American basswood - Climate-resilient American chestnut - Climate-resilient American elderberry - Climate-resilient

Similar planting regions

Browse other regions in the same biome. Their plant lists can suggest species and combinations worth comparing.

Forested slopes below Monte Cimone in the Apennines.

RESOLVE 644 - Palearctic

Appenine deciduous montane forests

The Apennine deciduous montane forests occupy the higher elevations of the Apennine Mountains running down the spine of the Italian peninsula, surviving as disconnected patches that stretch southward for over 350 kilometers through central Italy. The dominant cover is montane broadleaf forest led by European beech (Fagus sylvatica), often mixed with silver fir (Abies alba), deciduous oaks (Quercus), maples (Acer), whitebeams and rowans (Sorbus), with cold meadows and grasslands taking over above the treeline. The climate is temperate-cool and notably wet, with rainfall ranging from roughly 1,000 mm in the southern mountains to 2,500 mm in the north and abundant winter snow at altitude. The ecoregion is the last stronghold of the critically endangered Marsican brown bear and the endemic Apennine (Abruzzo) chamois, and a 2017 assessment found about 46 percent of its area falls within protected reserves such as Abruzzo, Lazio and Molise National Park. For gardeners, several ornamental woody genera native here, including holly (Ilex aquifolium), yew (Taxus baccata) and linden (Tilia), are familiar temperate landscape plants.

Temperate Broadleaf & Mixed Forests

RESOLVE 645 - Palearctic

Azores temperate mixed forests

The Azores temperate mixed forests cover the Azores archipelago, an autonomous region of Portugal whose nine principal volcanic islands lie roughly 1,350 to 1,500 km west of the Portuguese mainland. Lowland areas retain little natural vegetation, but above about 500 meters elevation enclaves of evergreen shrub forest persist, characterized by trees such as Laurus azorica, Juniperus brevifolia, Picconia azorica, and Erica azorica. The Gulf Stream gives the islands a mild maritime climate for their latitude, with summer averages near 21 degrees C and winter averages around 14.5 degrees C, and frost does not occur below 500 meters. The ecoregion is home to the endemic Azores bullfinch and the endemic Azores noctule bat; native laurel and juniper forests have been heavily displaced by introduced poplar, oak, and chestnut and by aggressive invasives. Gardeners may recognize native ornamentals from here, including the Azores blueberry (Vaccinium cylindraceum) and Azorean holly (Ilex perado subsp. azorica).

Temperate Broadleaf & Mixed Forests

1,010 sq mi

NNH tier 4

Coastal mixed forest and limestone cliffs at Taukliman, Bulgaria.

RESOLVE 646 - Palearctic

Balkan mixed forests

The Balkan mixed forests stretch across southeastern Europe, spanning Albania, Bosnia and Herzegovina, Bulgaria, Greece, Kosovo, Montenegro, North Macedonia, Romania, Serbia, and Turkey, reaching from the Black Sea toward the Adriatic. Deciduous oaks dominate most of the ecoregion's lower forests, most prominently Hungarian oak (Quercus frainetto) along with Turkey oak (Quercus cerris) and downy oak (Quercus pubescens), giving way above roughly 800 to 1,200 meters to European beech and conifers such as black pine, Scots pine, Bosnian pine, Macedonian pine, silver fir, and Norway spruce. The climate ranges from humid subtropical to humid warm-summer continental with wet winters, and a few high-rainfall pockets have been considered temperate rainforest relicts. The region is exceptionally rich and conservation-critical, hosting the greatest concentration of threatened mammal species in Europe, with the saker falcon as its flagship; the Shar Mountain area alone holds over 2,000 plant species, around 400 of them endemic to the Balkans.

Temperate Broadleaf & Mixed Forests

RESOLVE 647 - Palearctic

Baltic mixed forests

The Baltic mixed forests stretch along the western and southern shores of the Baltic Sea, spanning northeastern Germany, northwestern Poland, eastern Denmark, and the southernmost tip of Sweden. Despite the name, the ecoregion does not reach the Baltic states; its woodlands are dominated by European beech (Fagus sylvatica), mixed with oak, ash, maple, linden, elm, hazel, rowan, and birch, alongside planted Norway spruce, forming beech, oak-beech, and pine-oak forest communities. The climate is mild and maritime, with mean annual temperatures roughly 7-13 degrees Celsius, gentle winters, and summers whose hottest months rarely exceed 20 degrees Celsius. The region supports around 340 bird species and serves as habitat for the aquatic warbler, described as the rarest passerine in mainland Europe, while mammals such as European otter, roe deer, red deer, wild boar, and wolf persist; the ecoregion is classified as Critical/Endangered. For gardeners, several native trees here, including silver birch, Norway maple, English oak, and European hornbeam, are familiar temperate ornamentals.

Temperate Broadleaf & Mixed Forests

RESOLVE 648 - Palearctic

Cantabrian mixed forests

The Cantabrian mixed forests stretch across southwestern Europe, running along the coastal Cantabrian Mountains and Galician Massif of northern Spain, south into northern Portugal, and northward through the westernmost Pyrenees into southwestern France. Oak and beech woodlands predominate, with lowlands of English oak (Quercus robur), sweet chestnut (Castanea sativa), and European ash (Fraxinus excelsior) giving way to upland forests of sessile and Pyrenean oak (Quercus petraea and Quercus pyrenaica) and European beech (Fagus sylvatica), interspersed with montane heaths. The climate is mild and humid Atlantic, transitional between the Mediterranean and oceanic zones, with cold, snowy winters and more Mediterranean conditions in Galicia. This is the far-southwestern stronghold of the brown bear and shelters the critically endangered European mink, the rare Pyrenean desman, and the Cantabrian capercaillie, with Picos de Europa National Park alone hosting many orchid species. Gardeners may recognize natives such as sweet chestnut and the heathers of its montane heathlands.

Temperate Broadleaf & Mixed Forests

RESOLVE 649 - Palearctic

Caspian Hyrcanian mixed forests

The Caspian Hyrcanian mixed forests form an 800-kilometer belt nestled between the Caspian Sea and the Elburz Mountains, lying mostly in northern Iran with portions reaching the Lenkoran lowlands and Talysh Mountains of southeastern Azerbaijan. These are temperate broadleaf and mixed deciduous forests, with Oriental beech the dominant species and characteristic trees including chestnut-leaved oak, European hornbeam, Persian ironwood, the Persian silk tree, and relict genera such as Caucasian zelkova and wingnut. The climate is humid and semi-subtropical at lower elevations, grading to oceanic and humid continental conditions in the mountains, and the high humidity drives exceptional forest productivity. The forests are an ancient Pleistocene refuge often called the "mother of European forests" because many plants dispersed across the continent from here after the glaciations; they were designated a UNESCO World Heritage Site in 2019 (expanded into Azerbaijan in 2023) and shelter wildlife such as the flagship Persian leopard, brown bear, and wolf. Several of their native trees, including the Persian silk tree and Persian ironwood, are familiar to gardeners as ornamentals.

Temperate Broadleaf & Mixed Forests

Where this ecoregion reaches

The countries, US states, and Canadian provinces this ecoregion touches, from a spatial join of its RESOLVE polygon against Natural Earth boundaries.

Countries

Austria Bosnia and Herzegovina Croatia Czech Republic Hungary Romania Serbia Slovakia Slovenia Ukraine

Educator packet

Region packet

Pannonian mixed forests educator packet

Realm

Palearctic

Dominant biome

Temperate Broadleaf & Mixed Forests

Approximate area

118,500 square miles

States / provinces

Not recorded

Climate descriptor

Not recorded

Classroom prompts

- Which climate and biome facts explain why this region supports its characteristic plants?

- How do native-plant and wildlife-support claims differ from a species-presence claim?

- Which source-backed facts would you cite before using this region in a classroom map activity?

Use the Sources & citations section below for page citation styles and region source links.

Sources & citations

Cite this page

For lesson plans, articles, or regional planting notes that use this Plotwright page. To cite the underlying ecoregion framework or a specific editorial profile, use the source cards below.

Plotwright. (n.d.). Pannonian mixed forests (Pannonian mixed forests). Retrieved 2026, October 9, from https://plotwright.com/regions/resolve-674

Sources for this region

This page cites Plotwright first for the compiled view, then lists the upstream framework, climate, and editorial source pages so readers can cite the original material directly.

RESOLVE 2017 Terrestrial Ecoregions (Dinerstein et al.)

Primary ecoregion framework

One Earth

Wikipedia

Wikimedia Foundation

Open source

Source guide