Approximately 0 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:9
Type of plant - shrub
Flower: YELLOW, to 15x12cm., cylind.
Fruit: cone, velvet BROWN fol
Foliage: to 40x3cm., lobed
Height in meters: 6x8
Common names for Banksia speciosa:
is included in the following B and T World Seeds flowering plant categories:
18: Australian and African Proteaceae
19: Everlasting and Dried Flower Seeds Australian and Other
44: Cut flowers Commercial and other Recommended Varieties
65: World Coastal Tree and Plant Seed List
132: Windy Condition Plant Shrub and Tree Seed List
185: Plant Species whose germination is improved by Smoke
191: Tropical Shrubs and Trees
Banksia speciosa seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic. Sow Banksia speciosa seeds on the surface of a Peaty seed sowing mix at about 20°C.
Sow on the surface of moist compost, use a translucent cover to allow light in and to keep the compost humid and warm (do not place in direct sunlight)