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Perennials, Woody > Banksia > Banksia integrifolia > Banksia integrifolia

Banksia integrifolia


Coast Banksia




Origin:  Native to South-Eastern Australia.
Family
Proteaceae
Genus
Banksia
Species
integrifolia
Category
Perennials, Woody
Type
Tree (evergreen)
USDA Hardiness Zone
8 - 11
Canadian Hardiness Zone
8b - 9a
RHS Hardiness Zone
H1c - H4
Temperature (°C)
- 10 to 10
Temperature (°F)
14 to 50
Height
9 - 25 m
Spread
6 - 9 m
Photographs
Description and Growing Information
Flowering Period
AugustSeptemberOctoberNovemberDecember
General Description
This evergreen tree can grow up to 9 m, and is notable for attracting wildlife. It has sharp and blade-like leaves with a dark green colouring. The flowers develop in spikes, each stem clustering together and bloom a pale yellow.
Landscape
Parks, Windbreaks, shelterbelts; deer resistant and salt tolerant.
Cultivation
Requires soil that is light in nutrients. It is quite successful in most soil but prefers slightly acidic soil. Requires full sun, it cannot grow in shade.
Shape
Upright.
Pests
Root borers, root feeders, shoot and stem borers, leaf feeders, needle miners, and sucking insects affect the survival of seedlings. Many other insects feed on the cones. Susceptible to many diseases including rust fungi.
Habitat
Basalt and red sand areas, Coasts.
Bark/Stem Description
Stout, gnarled, trunk with a grey colouring.
Leaf Description
Long, flat, green leaves growing between 4 - 20 cm long and ~0.3 cm wide.
Flower Description
The flowers develop in dense spikes in a spiral pattern close to the trunk. The flowers can grow to be 12 cm long and 5 cm wide. Pale yellow flowers bloom from August to December.
Notable Specimens
Chelsea Physic Garden, London, United Kingdom.
Propagation
Seed should be sown superficially into the dirt with appropriate fertilizer. Allow 1- 3 months for germination, transfer to pot when seedlings begin. Should be planted from seedling after first winter.
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