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Characteristics: Shrub 5 m spread 2 m
Seeds per packet: 5
A large upright shrub or small tree up to 5 metres high with Holly like dark green leaves and rounded 4-5cm (1½-2“) creamy-yellow flowers that occur heavily during winter to late spring.
Banksia flowers are rich in nectar and bird attractant. A low maintenance shrub that is suitable for coastal gardens.
Endemic to the mid-west and south-west regions of Western Australia.
Note: Formally know as Dryandra sessillis. Dryandra was considered a separate genus named Dryandra until early 2007, when it was merged into Banksia.
Prefers a light to medium well-drained soil in an open sunny position, drought and frost resistant.
Although seed can be sown most of the year in Australia seed is generally best sown in spring or autumn in temperate climates, avoid the coldest and hottest months of the year. The optimum germination temperature for germination is around 18-22°C
Pre-treatment of smoke: Not considered critical to germination of this species and germination will generally occur without it.
However many members of the Proteaceae family are responsive to pre-treatment of smoke. Although germination will often occur without smoke treatment it has proved to be beneficial in reducing the number of days to germination and increasing germination rates in many species of the Proteaceae family.
Smoke treatments are simple and can be undertaken either by soaking the seed overnight or by applying to the surface after sowing, both provide good results. Smoke treatments available by clicking here.
General note: Seeds of many natives are dormant and require specific conditions or pre-treatment for germination.
Do not be too hasty to discard seed that does not germinate, seeds will often lay dormant until the conditions are similar to their natural requirements for germination to occur. Containers put to one side will often surprise long after they were discarded.