Thunbergia Seeds
- Regular price
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$4.50 - Regular price
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- Sale price
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$4.50
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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 2025 growing season.
About the seeds:
|
difficulty |
beginner | intermediate | advanced |
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germination time |
7-21 days |
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depth |
1/4”-1/2" |
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spacing |
1-3 seeds per planter or 8"-12“ apart |
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recommended planter |
6“-12" planter or box, or garden bed |
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time to maturity |
56-63 days |
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seed prep |
pre-soak | scarification | stratification | none |
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method |
greenhouse | paper towel method | direct sow |
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temperature |
>50F |
About the Plants:
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description |
Perennial vines with blooms varying from white to yellow and orange. |
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difficulty |
beginner | intermediate | advanced |
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growth speed |
slow | medium | fast |
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size of plant |
5'-8' long vines, 1-2" blooms |
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light |
full sun | partial sun | shade | grow lights |
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soil |
well-draining coconut coir/peat-based potting mix |
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temperature |
warm | cool |
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pet-friendly |
cats | dogs | no |
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pests |
few pests |
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fertilization |
heavy | moderate | light |
when you order with us:
FAQs
how difficult are these seeds to grow?
Houseplant seeds are generally trickier to grow than your more common garden seed varieties- they require a specific setup and more time to sprout. You can find the difficulty for each seed variety specified under the "about the seeds" tab on each product page.
We definitely recommend following the setups outlined in our seed guide here, and you can find further details in our blog!
how long does it take for the seeds to germinate?
Houseplant seeds take longer than most seeds to germinate, the average time for germination is 2-3 weeks. If you're curious about the sprouting time for a specific seed variety, you can find that information in the "about the seeds" tab on each product page.
how do I grow houseplant seeds?
All of our orders come with a basic starter guide for you to follow, but our seed guide here goes in much more detail and also offers alternative seed starter methods.
We also include additional planting tips specific to each seed variety under the "instructions" tab of each product page. If you need extra help, don't hesitate to reach out to us at hello@plantflix.com!
my seeds aren't germinating, what do I do?
Houseplant seeds are tricky, and sometimes certain more difficult varieties can take some practice to finally get them to sprout!
If you're having trouble with the seeds, you're not alone. Luckily there are ways to sometimes salvage seeds by adjusting the setup- this quiz can help diagnose any issues you may have with your setup and make suggestions for how to improve it.
You can also email us at hello@plantflix.com and we can help out! If the seeds still aren't germinating, we'll send out a replacement :)