Thunbergia Seeds
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:Ā
We recommend using the following to sow the seeds:Ā
- 12 Cavity GreenhouseĀ orĀ Planter with Humidity Dome
- Soil PelletsĀ orĀ Soil PodsĀ
- Liquid FertilizerĀ
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.Ā
(Find more info onĀ germinatingĀ seeds by going to ourĀ seed guide)
These seeds are for the 2026 growing season.
About the seeds:
|
difficulty |
beginner | intermediate | advanced |
|
germination time |
7-21 days |
|
depth |
1/4ā-1/2" |
|
spacing |
1-3Ā seeds per planter or 8"-12ā apart |
|
recommended planter |
6ā-12" planter or box, or garden bed |
|
time to maturity |
56-63Ā 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 lightsĀ |
|
soilĀ |
well-draining coconut coir/peat-based potting mixĀ Ā |
|
temperatureĀ |
warm | cool |
|
pet-friendly |
cats | dogsĀ | no |
|
pests |
few pestsĀ |
|
fertilization |
heavy | moderate | light |
Ā
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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:Ā
We recommend using the following to sow the seeds:Ā
- 12 Cavity GreenhouseĀ orĀ Planter with Humidity Dome
- Soil PelletsĀ orĀ Soil PodsĀ
- Liquid FertilizerĀ
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.Ā
(Find more info onĀ germinatingĀ seeds by going to ourĀ seed guide)
These seeds are for the 2026 growing season.
About the seeds:
|
difficulty |
beginner | intermediate | advanced |
|
germination time |
7-21 days |
|
depth |
1/4ā-1/2" |
|
spacing |
1-3Ā seeds per planter or 8"-12ā apart |
|
recommended planter |
6ā-12" planter or box, or garden bed |
|
time to maturity |
56-63Ā 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 lightsĀ |
|
soilĀ |
well-draining coconut coir/peat-based potting mixĀ Ā |
|
temperatureĀ |
warm | cool |
|
pet-friendly |
cats | dogsĀ | no |
|
pests |
few pestsĀ |
|
fertilization |
heavy | moderate | light |
Ā
