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Characteristics: Large shrub or small tree 4 m
Seed per packet: 10
A large shrub or small tree to 4 metres in height with a similar spread, greyish green pinnate lobed leaves about 3 cm long.
Spectacular 25 cm candle like flower spikes of tall upright white flowers occur in clusters predominantly in the spring and summer.
A very attractive Grevillea for climates with dry summers and wet winters.
Endemic to sandy heathland between Geraldton and Shark Bay in Western Australia.
Prefers a well-drained soil in a sunny position. Does not tolerate humidity.
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
Larger seed of Grevillea species can be carefully nicked with a sharp knife to expose the embryo slightly prior to sowing, this can assist with the uptake of moisture and can speed germination.
Pre-treatment of smoke is recommended for this grevillea.
Pre-treatment of smoke:
Many members of the Proteaceae 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.
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.