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...
Where this plant fits
Suitable across 9 ecoregions - 7 climate-resilient through 2070 · 2 newly possible by 2070. Best matches first.
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.
Better fit now and in 2050
Now: well-suited
2050: well-suited
Better fit now and in 2050
Now: well-suited
2050: well-suited
Better fit now and in 2050
Now: well-suited
2050: well-suited
Better fit now and in 2050
Now: well-suited
2050: well-suited
Similar plants
Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
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.








