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Tropicals, Woody > Grevillea > Grevillea rosmarinifolia > Grevillea rosmarinifolia

Grevillea rosmarinifolia


Rosemary Grevillea




Origin:  Native to New South Wales and Victoria, Australia.
Family
Proteaceae
Genus
Grevillea
Species
rosmarinifolia
Category
Tropicals, Woody
Type
Shrub (evergreen)
Pronunciation
USDA Hardiness Zone
9 - 11
Canadian Hardiness Zone
Cool season protection under glass.
RHS Hardiness Zone
H1 - H3
Temperature (°C)
5 - 10
Temperature (°F)
20 - 45
Height
2 m
Spread
3 m
Photographs
Description and Growing Information
Flowering Period
General Description
In order to survive in poor soils Grevillea have evolved with proteoid roots. These roots which develop each season, grow into the top levels of the soil to extract nutrients.
Cultivation
Full sun to partial-shade, well-drained, acid to neutral soils. Fertilizers low in phosphorous.
Shape
Rounded, 2 m in length and 3 m wide.
Growth
Medium
Habitat
Woodlands, grasslands and rocky slopes.
Bark/Stem Description
Mature bark takes on plate-like scales.
Flower/Leaf Bud Description
Leaf buds are rounded and 1 - 2 mm in size. Scales are smooth and divided into clusters of 3.
Leaf Description
Arranged alternate, opposite or whorled, are compound, dissected, lobed or pinnately toothed. Leaf margins are entire are 25 - 33 mm in size. Leaves are oblong and needle-like, and have silky hairs near the base.
Flower Description
Irregular pairs along the branches in clusters. The petals are glabrous on the outside and bearded on the inside. The flowers are tube shaped and curve down and are partially split apart near the end.
Fruit Description
Drupe with two winged seeds. The seed is boat-shaped, 15 - 25 mm in size, and when fully mature split open to release seeds.
Colour Description
The bark is light greyish-brown when young and more grey in appearance as it matures. The buds are a greyish-silver. The flowers are a fuchsia pink colour. The fruit is light green and becomes brown as it matures. The stock is an olive green colour. The leaves are a greyish-green colour.
Texture Description
Young bark is smooth and becomes rough as it matures. The leaves are smooth in texture. The fruit have a hairy texture.
Propagation
Seed, semi-hardwood cuttings.
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