Photo by Melody

PlantFiles: Swamp Banksia
Banksia robur

Family: Proteaceae (pro-tee-AY-see-ee) (Info)
Genus: Banksia (BANGK-see-a) (Info)
Species: robur (ROH-bur) (Info)


4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

36-48 in. (90-120 cm)

USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Pale Yellow

Bloom Time:
Late Summer/Early Fall


Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
Scarify seed before sowing

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Click thumbnail
to view:

By kennedyh
Thumbnail #1 of Banksia robur by kennedyh

By kennedyh
Thumbnail #2 of Banksia robur by kennedyh


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive casandlisa On May 12, 2004, casandlisa from Sydney

easy plant to grow. loves extrra moisture. There is no set flowering time. Some plants flower in spring (such as mine), others in autumn - very weird

Neutral kennedyh On Oct 9, 2003, kennedyh from Churchill, Victoria
Australia (Zone 10a) wrote:

This species is unusual amonst the Banksias in preferring to grow in swampy situations. It is a small shrub, usually under 1.5 metres in height, growing in coastal New South Wales and Queensland in Australia. I have had mixed success with this plant. I planted one some 12 years ago in my garden and it flowered each year for several years. Its position is rather too dry for it and it is also now crowded out by other larger more vigorous shrubs. It is now barely surviving and I shall lose it unless I can successfully transplant it to a moister and more open position.

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