Phytosanitary Certificates are now available for international buyers. We ship Internationally and Australia wide including Tasmania and WA.

GREVILLEA synapheae

Catkin Grevillea

Stock: Available

SKU Code: N 581

$5.50

Family: Proteaceae

Subfamily: Grevilleoideae

Characteristics: Small shrub 0.2-1 metre

Seed per packet: 5

An attractive lignotuberous prostrate to erect spreading shrub that produce clusters of cream coloured flowers that occur from mid-winter to mid-spring in in axillary or terminal racemes.
Ideal for small spaces.

Endemic to Jarrah forest and Malle regions of the Beard's and South-West Provinces of Western Australia.

Adaptable to most soils and conditions, frost and drought resistant.

Although seed can be sown most of the year in many parts of Australia seed is generally best sown in spring or autumn, 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.

  1. Soak seed overnight in warm water.
  2. Sow seed on a porous seed raising mix and cover lightly. Do not bury seed deeply.
  3. Place in a warm shaded or semi shaded position to avoid dying out.
  4. The growing medium should be well draining but should remain damp between watering. Keep moist but not too wet as the seed may rot. Do not let the growing mix completely dry out. 
  5. Germination should occur in 21-60 days depending on the temperature and conditions. 

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.

We now stock a range of Propagation Accessories including the popular Aquamiser Propagation Kits, Pots, Native and Forestry Tubes, Trays, Labels and more.

Click here to view our range.

We can only ship these items to Australian locations, international customers please request shipping quotation prior to purchasing.

Stay in touch

The latest product arrivals, inspiring garden ideas and sale alerts!