Euxine-Colchic broadleaf forests
Euxine-Colchic broadleaf forests
The Euxine-Colchic broadleaf forests form a narrow temperate forest belt along the southern shore of the Black Sea, running from the southeastern corner of Bulgaria across the northern coast of Turkey to the lowlands of Georgia. These mixed forests are dominated by deciduous trees such as Oriental beech, sweet chestnut, hornbeam, and black alder, interwoven with conifers including Nordmann fir and Caucasian (oriental) spruce. The climate splits into two zones: the eastern Colchic region is exceptionally humid, averaging 1,500 to 2,500 mm of annual precipitation, while the drier western Euxine region receives about 1,000 to 1,500 mm. Sheltered by mountains, the area served as a glacial refuge and retains relict species, with the endemic Caucasian salamander as its flagship animal, yet it is classified as critical or endangered due to logging and habitat loss. For gardeners, the region is also the native home of the Pontic rhododendron (Rhododendron ponticum), a relict species long grown as an ornamental.
RESOLVE 665
Palearctic
28,727 sq mi
Temperate Broadleaf & Mixed Forests
Landscape type
Temperate Broadleaf & Mixed Forests
Plant region
Palearctic
Region footprint
28,727 sq mi
Habitat pressure
Nature Could Recover (Dinerstein NNH 3)
Source & care
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Use this as the broad planting pattern for the region: Four-season forests of deciduous hardwoods - oak, maple, beech - often mixed with conifers, shaped by warm summers and cold winters. Trees leaf out in spring and color in autumn; the generally fertile soils have made these forests heavily settled and farmed. For garden decisions, pair that context with the plant list below, then narrow by your site's light, water, soil, and mature-size constraints.
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 537 of 537 climate-fit plants for this region.
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.
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: 19
Shelter links: 1
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
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: 13
Host/specialist links: 4
Forage/pollination links: 17
Shelter links: 1
Similar planting regions
Browse other regions in the same biome. Their plant lists can suggest species and combinations worth comparing.
Where this ecoregion reaches
Educator packet
Region packet
Euxine-Colchic broadleaf forests educator packet
The Euxine-Colchic broadleaf forests form a narrow temperate forest belt along the southern shore of the Black Sea, running from the southeastern corner of Bulgaria across the northern coast of Turkey to the lowlands of Georgia. These mixed forests are dominated by deciduous trees such as Oriental beech, sweet chestnut, hornbeam, and black alder, interwoven with conifers including Nordmann fir and Caucasian (oriental) spruce. The climate splits into two zones: the eastern Colchic region is exceptionally humid, averaging 1,500 to 2,500 mm of annual precipitation, while the drier western Euxine region receives about 1,000 to 1,500 mm. Sheltered by mountains, the area served as a glacial refuge and retains relict species, with the endemic Caucasian salamander as its flagship animal, yet it is classified as critical or endangered due to logging and habitat loss. For gardeners, the region is also the native home of the Pontic rhododendron (Rhododendron ponticum), a relict species long grown as an ornamental.
Realm
Palearctic
Dominant biome
Temperate Broadleaf & Mixed Forests
Approximate area
28,727 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.). Euxine-Colchic broadleaf forests (Euxine-Colchic broadleaf forests). Retrieved 2026, August 20, from https://plotwright.com/regions/resolve-665
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















































