Plantflix
Thunbergia Seeds
Plant details
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 |
Plant care
Review the product description for variety-specific light, water, humidity, and care guidance.
Shipping
Orders are carefully packed for transit. Shipping options and estimated delivery dates are shown at checkout.
Returns
Eligible new and unused items may be returned according to the FloraVines return policy. Live-plant concerns should be reported promptly with photos.
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