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Plantflix

Thunbergia Seeds

Thunbergia Seeds

- Ships Nationwide

Sprout some fun with our Thunbergia, aka Black Eyed Susan, Seeds! These little seeds grow into large trailing plants with iconic bright yellow flowers with "black eyes". No green thumb required. Get your green on today!

Instructions: 

We recommend using the following to sow the seeds: 

Thunbergia are great to grow year round, can be kept outdoors in more moderate climates, and/or indoors. These like to climb, so having a trellis is very helpful. 

(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

7-21 days

depth

1/4”-1/2"

spacing

1-3 seeds per planter or 8"-12“ apart

recommended planter

6“-12" planter or box, or garden bed

time to maturity

56-63 days

seed prep

pre-soak | scarification | stratification | none

method

greenhouse | paper towel method | direct sow

temperature

>50F


About the Plants:

description

Perennial vines with blooms varying from white to yellow and orange.

difficulty

beginner | intermediate | advanced

growth speed

slow | medium | fast

size of plant

5'-8' long vines, 1-2" blooms

light

full sun | partial sun | shade | grow lights 

soil 

well-draining coconut coir/peat-based potting mix  

temperature 

warm | cool

pet-friendly

cats | dogs | no

pests

few pests 

fertilization

heavy | moderate | light

 

Regular price $4.50 USD
Regular price Sale price $4.50 USD
Sale Sold out
Shipping Status:
In Stock
Quantity

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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