Plantflix
Thunbergia Seeds
Thunbergia Seeds
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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 |
Shipping & Returns
Shipping & Returns
If an item arrives damaged or not as described, you can request a refund by contacting our customer service team within a specified time frame. We may ask you to provide photos or other evidence of the damage. Once we receive your request and confirm the issue, we will process the refund as soon as possible.
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Refunds & Returns
If an item arrives damaged or not as described, you can request a refund by contacting our customer service team within a specified time frame.
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