Plantflix
Grevillea Robusta 'Silver Oak' Seeds
Grevillea Robusta 'Silver Oak' Seeds
- Ships Nationwide
Grevillea Robusta, also known as Silver Oak or Silky Oak, is a sun-loving evergreen tree that thrives when placed in bright, direct sunlight, so pick a sunny spot indoors to help it grow tall and strong. With its silvery, fern-like leaves the Silver Oak adds an elegant touch to any home.
Instructions:
We recommend using the following to sow the seeds:
Grevillea Robusta, aka Silver Oak or Silky Oak is an evergreen tree native to Australia that prefers lots of light, so make sure to place this plant in a spot with lots of direct sun when growing indoors!
To plant the seeds, pre-soak in warm water for 12-24 hours, sow in a well-draining medium, cover with a humidity dome and keep >70F(use a heat mat if necessary). The seeds can germinate very quickly given good conditions, otherwise they can take up to 60 days to germinate.
(Find more info on germinating seeds by going to our seed guide)
These seeds are for the 2026 growing season.
About the seeds:
|
difficulty |
beginner | intermediate | advanced |
|
germination time |
14-60 days |
|
depth |
1/4" |
|
spacing |
1-3 seeds per nursery pot or soil pod |
|
recommended planter |
2“-4" nursery pot(no terra cotta for germination) |
|
time to maturity |
1 year+ |
|
seed prep |
pre-soak | scarification | stratification | none |
|
method |
greenhouse | paper towel method |
|
temperature |
70F - 85F |
About the Plants:
|
description |
evergreen tall tree with green fern-like foliage and silvery undersides |
|
difficulty |
beginner | intermediate | advanced |
|
growth speed |
slow | medium | fast |
|
size of plant |
up to 100' if grown outdoors |
|
light |
full sun | partial sun | shade | grow lights |
|
soil |
well-draining sandy coconut coir/peat-based potting mix |
|
temperature |
warm | cool |
|
pet-friendly |
cats | dogs | no |
|
pests |
scale, fungus, root rot |
|
fertilization |
heavy | moderate | light |
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Shipping & Returns
Shipping & Returns
NATIONWIDE SHIPPING:
Outdoor Living & Recreation, Home & Garden products ship nationwide. The shipping fee is confirmed during checkout using your shipping address and choice of shipping provider if applicable. Products marked with free shipping will be free shipping at checkout. Once your lifestyle, home & garden order is fulfilled we'll send the tracking information to your email.
NATIONWIDE SHIPPING RETURNS: 30 day returns.
We accept returns of unused products that are defective or not defective. Your return must be processed within 30 days of the date of purchase. We do not process exchanges. We will provide a shipping label by email, you are responsible for bringing the return to the shipping provider.
FREIGHT PRODUCT RETURNS: no returns or exchanges.
There are no returns, exchanges or refunds for products delivered via freight. REFUNDS: The cost of the return shipping and a 6% credit card processing/restocking fee will be deducted from your refund amount. The refund balance will be distributed to you once the returned product is received and processed.
NATIONWIDE PRODUCT REFUNDS:
The cost of the return shipping and a 6% credit card processing/restocking fee will be deducted from your refund amount. The refund balance will be distributed to you once the order is canceled and the returned product is received and processed.
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from 50 reviewslovely olive jar, attractive to keep on display. And useful too.
Fast delivery . Product exactly matches description. Easy to contact with same day replies. We will use them again.
Great job from growing to shipping
Quality was excellent. Perfect for my Dad’s grave site, honoring a proud Marine.
Appreciate the extra effort to get the product to me when needed. The delivery was made with speed and consideration, very much appreciated
Very nice slim design. They hold the poles close to the wall and well organized. Very simple install
Good quality live oak wood. Cut consistently and most was kiln dried. Recommend these guys. Delivery was prompt and friendly
He dropped it right where we asked and the soil is great quality! Really good service on time.
Great product and great communication! I used their compost in my vegetable garden bed, and all my plants are strong and healthy so far.
We had garden soil and garden mulch delivered to our home. He deleted the product right away and was very pleasant to speak with.
Fantastic soil. Definitely would buy again.
Excellent communication and price. Will use them again!!!
Love this Compost! My garden does great every year and it's because of
this great Compost Mix. I would not use anything else.
Great dirt and great communication
Started a new garden and it seems to be helping all of my new starter plantings