Grevillea Species, Banks' Grevillea, Dwarf Silky Oak, Kahili Flower, Rain Flower, Red Silky Oak

Grevilleabanksii

Family
Proteaceae (pro-tee-AY-see-ee)
Genus
Grevillea (grev-ILL-ee-uh)
Species
banksii (BANKS-ee-eye)
Synonym
Grevillea banksii var. forsteri
Grevillea forsteri
Hakea banksii
Sun Exposure
Full Sun
Foliage
Evergreen
Succulent
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Spacing
12-15 ft. (3.6-4.7 m)
Hardiness
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Magenta (pink-purple)
Red
Bloom Time
Late Winter/Early Spring
Other Details
Category
Shrubs
Trees
Tropicals and Tender Perennials
Water Requirements
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Carefree, Arizona

Upland, California

Sarasota, Florida

Folsom, Louisiana

Elizabeth City, North Carolina

Featured Videos

Gardener's Notes:

3
positives
1
neutral
0
negative
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K
K
San Leandro, CA (Zone 9b) | March 2019 | neutral

Per the Resendiz Brothers Protea Growers in Fallbrook, CA.  https://resendizbrothers.com/ :
"Grevillea Banksii... also known as ...Read More

F
| July 2004 | positive

Grevillea banksii albiflora is a creamy-white version of this shrub I have growing. Flowers range in Reds, orange, yellows, pinks and whi...Read More

P
Acton, CA (Zone 8b) | April 2004 | positive

Great looking tree with some of the best looking flowers in the Grevillea family. Flowers known to cause a dermatitis, so careful. Not ...Read More

M
(Zone 11) | April 2003 | positive

This flower is different from everything I know. Atracts birds, specially hummingbirds. The foliage can make it useful for textured gardens

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