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Characteristics: Spearding shrub 0.3 to 4 m
Seed per packet: Approx 10
An attractive spreading shrub with simple linear blade-like foliage 50-200 mm long and 1-2mm wide. Creamy-white flowers occur on mass to produce a spectacular display on terminal or axillary racemes during the months of August to December or January to March depending on location and conditions.
Occurs naturally in the Beard’s, Eremaean and South-West Provinces of Western Australia around the Avon Wheatbelt, Murchison and Yalgoo regions.
Prefers a well drained soil in a sunny postion. Drought and frost tolerant.
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 Grevellia 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: Not considered critical for this species but may be beneficial.
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.