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Rosemary grevillea

Rosemary grevillea

Grevillea rosmarinifolia
Rosemary grevillea (Grevillea rosmarinifolia) is an evergreen shrub in the Proteaceae, the banksia and protea family, native to New South Wales and Victoria in south-eastern Australia. Its species name means 'rosemary-leaved': the rigid, narrow, dark green leaves, up to about 2 inches long with often prickly tips, have their edges rolled under and closely pressed silvery hairs beneath, so a branch looks much like rosemary, though the two plants are unrelated. Dense clusters of deep rose-red to pink spider-flowers open at the branch tips from late winter to late summer in UK gardens, and from August to December in its native range. In the wild it typically grows 12 inches to 6.6 feet tall; RHS gives a garden plant an ultimate size of 4.9 to 8.2 feet tall and 8.2 to 13.1 feet wide, reached over 10 to 20 years. It is drought tolerant, hardy to about 14°F (RHS H4), and holds the RHS Award of Garden Merit. Three cautions before planting. RHS lists it as a skin irritant and allergen for people and for pets, and advises gloves and other protective equipment when handling it. Its family is adapted to poor, phosphorus-deficient soils and is generally intolerant of fertilization, so feed it sparingly, if at all. And it has naturalised outside its native range in South Australia and the Australian Capital Territory, so check local weed guidance before planting it there or elsewhere in Australia outside its natural range.
Climate fit: narrow (21/100)
Structure
Focal point
Pollinator
Light
Full sun
Water
Low water
Mature size
4.9-8.2 ft tall · 8.2 ft apart
Hardy in zones
8a-10b
cold to mild winters
Native in Illinois
No
Its red to pink flowers fit the pattern Wikipedia's Grevillea article describes for the genus: bird-pollinated grevilleas tend to be red, pink or other bright colors and produce plenty of nectar, and honeyeaters are their most prominent bird pollinators in Australia.

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Won't grow here
Zone 7a
Plotwright
0°F to 5°F
Won't grow here
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
✕
Out of range today and still out of range in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...

Plant this, not that

Better fit for this place
For Chicago, IL, these are replacement suggestions: similar plants with a stronger hardiness fit now and/or in 2050.

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
American elderberry (Sambucus canadensis) mature multi-stemmed shrub in flower, showing its arching-cane habit with flat-topped white flower cymes over pinnate foliage.
Sambucus canadensis
American elderberry
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
Consistent moisture
Zones 3a-9b
Climate: broad
Structure
Edible
Pollinator
Focal point
Bearded protea (Protea neriifolia) - large goblet/cup-shaped flower head of soft pink-to-cream bracts, distinctive black furry 'beard' fringing the tips of the bracts, narrow, oleander-like (oblong-lanceolate) green leaves clasping the stem.
Protea neriifolia
Bearded protea
Protea neriifolia, the bearded protea, is a tall, robust evergreen fynbos shrub from the Cape Floristic Region of South Africa, grown for its large goblet-shaped flower heads of soft pink-to-cream bracts - each one rimmed with a distinctive 'beard' of black or white fur at the bract tips. Narrow, oleander-like leaves clothe the stems, and the long-lasting blooms are a staple of the cut-flower trade. It is one of the easiest, longest-flowering, and most widely grown proteas, but it is FROST-TENDER (RHS H3, hardy to only about 25°F briefly) and belongs in a warm-temperate or Mediterranean climate, USDA zones 9a-11, or under glass. Like all of its family it is PHOSPHORUS-SENSITIVE: ordinary phosphate fertiliser or bone meal will kill it, and it demands acidic, sharply-drained soil, full sun, and good air circulation. In its homeland the nectar-rich heads are bird-pollinated by sunbirds and sugarbirds.
Shrub
Full sun
Low water
Zones 9a-11
Climate: narrow
Focal point
Structure
Pollinator
Beauty bush (Kolkwitzia amabilis) - bell-shaped (campanulate) tubular flowers borne in dense clusters along the branch, pale-pink to white corollas with a bright yellow-orange throat marked by orange reticulate veining, abundant simultaneous bloom (flowering branch smothered in flowers) on a leafy deciduous shrub.
Kolkwitzia amabilis
Beauty bush
A large, vigorous, fountain-shaped deciduous shrub that earns its common name in late spring, when its arching stems are smothered in masses of pale-pink, yellow-throated, bell-shaped flowers. Native to China, it is one of the great old-fashioned spring shrubs - spectacular in full bloom, much loved by bees, and offering peeling brown bark for quiet winter interest. It is also genuinely big: expect 6 to 10 feet tall and wide at maturity, so give it room rather than fighting its size with the shears. The form to seek out is the Award-winning "Pink Cloud", which carries a clearer, richer pink than the variable seed-grown species.
Shrub
Full sun / Part shade
Moderate water
Zones 4a-8b
Climate: narrow
Focal point
Structure
Border
Pollinator
A Cape honeysuckle (Tecomaria capensis) shrub with arching evergreen foliage and clusters of slender orange tubular flowers.
Tecomaria capensis
Cape honeysuckle
Cape honeysuckle (Tecomaria capensis, Bignoniaceae) is a vigorous, evergreen scrambling shrub from southern and south-central Africa, valued for tubular orange-to-apricot flowers borne erratically across much of the year. It reaches about 6.6 to 9.8 feet tall and wide as a free-standing shrub, or can be trained much taller on a trellis or wall, and is widely used for informal hedging and as a hot-color border or container plant. It is frost-tender (RHS H1C; roughly USDA 9b-11) - in cooler climates it is grown under glass or as a summer container plant and overwintered indoors. In frost-free, mild climates it can become weedy: it has naturalised and is treated as invasive in parts of Australia and on islands such as the Azores, so site it where suckering and self-layering can be managed. It is not a recognised edible and is not flagged as notably toxic, though several plant parts feature in traditional southern-African medicine; treat it as ornamental rather than for consumption. Note the accepted binomial here is Tecomaria capensis (POWO/GBIF); the widely-seen Tecoma capensis is a synonym.
Shrub
Full sun / Part sun
Moderate water
Zones 9b-11
Climate: narrow
Border
Focal point
Pollinator
Structure
Container
Viburnum plicatum 'Mariesii' in full bloom showing tiered horizontal branches laden with flat white lacecap flower heads
Viburnum plicatum
Doublefile viburnum
Doublefile viburnum is a deciduous shrub native to China, Korea, Japan, and Taiwan, grown for its spectacular tiered, horizontal branching draped in flat lacecap flower heads in late spring. It earns its place as a four-season focal point - white flowers in May, blue-black drupes in late summer, and often vivid red-purple autumn colour - but the honest catch is its sheer footprint: mature plants can spread 13 to 16 feet wide with rigidly horizontal branches that resent hard pruning, and the fruit is not edible.
Shrub
Full sun / Part sun
Moderate water
Zones 5a-8b
Climate: narrow
Focal point
Structure
Border
Pollinator
Firebush (Hamelia patens): a terminal cluster of slender, tubular orange-red flowers and buds on red stalks, framed by broad, pointed green leaves with reddish midribs and bronze-red young leaves.
Hamelia patens
Firebush
Firebush (also called scarlet bush, hummingbird bush, and Mexican firecracker) is a fast-growing, evergreen, soft-stemmed shrub in the coffee family (Rubiaceae) and a Florida native: it grows wild from central Florida south through the Florida Keys, and on through the Bahamas, the Caribbean, Mexico, and Central America into South America as far as Argentina. In a frost-free landscape it forms a dense, spreading shrub of 6 to 12 feet, occasionally to 15 feet, with whorls of oval leaves that are red-hairy when young and speckled red or purple at maturity, reddish stems, and terminal clusters of slender, tubular, orange-red flowers 0.5 to 1.5 inches long nearly all year. Hummingbirds and butterflies work the flowers, and birds eat the small berries, which ripen from red to black and are edible. It is frost-tender: a freeze can kill it to the ground, it regrows from the roots through zone 9, and farther north it is grown as a 2 to 3 feet summer annual or container plant. Buy with care, because several non-native firebushes are sold under the same name: plants labeled 'African', 'Dwarf', 'Compacta', or 'Firefly' are often Hamelia patens var. glabra, a variety from southern Mexico to northern South America with smooth leaves and mostly yellow flowers, and 'Bahama firebush' is a different species, Hamelia cuprea. Florida's native form is Hamelia patens var. patens, the plant this record describes.
Shrub
Full sun / Part shade
Moderate water
Zones 9a-11b
Climate: narrow
Pollinator
Border
Structure
Focal point
Container

Educator packet

Plant packet
Rosemary grevillea educator packet
Rosemary grevillea (Grevillea rosmarinifolia) is an evergreen shrub in the Proteaceae, the banksia and protea family, native to New South Wales and Victoria in south-eastern Australia. Its species name means 'rosemary-leaved': the rigid, narrow, dark green leaves, up to about 2 inches long with often prickly tips, have their edges rolled under and closely pressed silvery hairs beneath, so a branch looks much like rosemary, though the two plants are unrelated. Dense clusters of deep rose-red to pink spider-flowers open at the branch tips from late winter to late summer in UK gardens, and from August to December in its native range. In the wild it typically grows 12 inches to 6.6 feet tall; RHS gives a garden plant an ultimate size of 4.9 to 8.2 feet tall and 8.2 to 13.1 feet wide, reached over 10 to 20 years. It is drought tolerant, hardy to about 14°F (RHS H4), and holds the RHS Award of Garden Merit. Three cautions before planting. RHS lists it as a skin irritant and allergen for people and for pets, and advises gloves and other protective equipment when handling it. Its family is adapted to poor, phosphorus-deficient soils and is generally intolerant of fertilization, so feed it sparingly, if at all. And it has naturalised outside its native range in South Australia and the Australian Capital Territory, so check local weed guidance before planting it there or elsewhere in Australia outside its natural range.
Scientific name
Grevillea rosmarinifolia
Plant type
shrub
Hardiness
8a-10b
Light
full-sun
Moisture
low
Spacing
8.2 ft
Classroom prompts
- Which plant traits are observations, and which are care recommendations?
- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?
- Which source-backed facts would you cite in a lesson handout?
Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page
For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.
Plotwright. (2026, May 17). Rosemary grevillea (Grevillea rosmarinifolia). Retrieved 2026, October 9, from https://plotwright.com/plants/grevillea-rosmarinifolia
Sources used for this record
This record is compiled from the sources below.
RHS Find a Plant
Botanical research database
Wikipedia (ecoregion articles)
Botanical research database
Trees and Shrubs Online
Botanical research database
GBIF
Botanical research database
Plants of the World Online (POWO)
Botanical research database
Wikimedia Commons
Photo · CC BY-SA 4.0
Wikipedia (ecoregion articles)
Botanical research database
Wikipedia (ecoregion articles)
Botanical research database