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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

 

 

Regular price $8.00 USD
Regular price Sale price $8.00 USD
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Shipping Status:
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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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