Royal Grevillea features delicate clusters of red spider-like flowers at the ends of the branches from late winter to early summer, which emerge from distinctive orange flower buds. It has attractive grayish green foliage with silver undersides which emerges light green in spring. The narrow leaves are highly ornamental and remain grayish green throughout the winter.
Royal Grevillea will grow to be about 10 feet tall at maturity, with a spread of 10 feet. It has a low canopy with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.
This shrub should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is particular about its soil conditions, with a strong preference for sandy, acidic soils. It is somewhat tolerant of urban pollution. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is not originally from North America.
Details
Botanical Name
Grevillea victoriae
Common Name
Royal Grevillea
Hardiness Zone
- 8a
Appearance
Max Height
10 feet
Max Spread
10 feet
Plant Form
Foliage Colour
- Grayish Green
Fall Colour
- Grayish Green
Flower Colour
- Red
Edible
Edible Component
Edible Harvest Period
Edible Use
Fruit Colour
Growing
Flowering Period
Late Winter to Early Summer
Moisture
Average
Sunlight
Full Sun
Maintenance
Low
Deer Resistance
YES
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