Black-Eyed Susan Vine in Zone 8a & 8b
Thunbergia alata
When to plant black-eyed susan vine in zone 8b
Zones 8a and 8b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Black-Eyed Susan Vine needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Feb 11–Feb 18 |
|---|---|
| Direct sow / transplant outside | Apr 8–Apr 15 |
| Estimated bloom | Jul 17–Jul 24 (~100 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 3-8 ft.
Black-eyed Susan vine shares a common name with a plant it is not related to, and the confusion is worth clearing up first.
How black-eyed susan vine fits zone 8's season
Zone 8b's frost-free window runs about 230 days, from March 25 to November 10. Black-Eyed Susan Vine needs about 100 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Black-Eyed Susan Vine.
Where to buy black-eyed susan vine seeds
See why we recommend these suppliers →
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.
See it growing
Search YouTube for "growing black-eyed susan vine" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 8b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
Pin this for later
Growing Black-Eyed Susan Vine in USDA zone 8b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
Save to Pinterest