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Grevillea eriostachya is a spectacular ornamental bushy shrub to 2 metres with tall spectacular golden yellow flower stems emerging 30 cm above the foliage, usually in late winter and spring.
The foliage is grey-green, long, and fine with short dense hairs on the upper surface.
Endemic to a large area of Western Australia.
Prefers sandy well-drained soil in an open sunny position, drought, and frost-resistant. Dislikes humid areas and excessively wet climates.
Although seed can be sown most of the year in many parts of 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 seeds 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 is recommended for this grevillea.
Pre-treatment of smoke:
Many members of the Proteaceae are responsive to the 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 it to the surface after sowing, both provide good results. Smoke treatments are 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.
We now stock a range of Propagation Accessories including the popular Aquamiser Propagation Kits, Pots, Native and Forestry Tubes, Trays, Labels and more.
We can only ship these items to Australian locations, international customers please request shipping quotation prior to purchasing.