Blackeyed Susan Vine

Scientific Name: Thunbergia alata Bojer ex Sims
Family: Acanthaceae

Recommended Temperature Zone:
USDA: 10-11, grown as a summer annual in the rest of the country.

Frost Tolerance: Killed easily by a frost.

Sun Exposure: Does no like reflected heat in areas with hot summers.

Origin: East Africa

Growth Habits: Annual, perennial or vine, 3 to 8 feet tall (0.9 to 2.4 m.), 3 to 6 feet in spread (0.9 to 1.8 m.)

Flowers: Yellow or light orange flowers

Watering Needs: Water regularly, does not overwater.

Propagation: Seeds, cuttings

Photo by Forest & Kim Starr

Culture:
Black-eyed Susan vine climbs by twining, if not provided with support it will grow as a ground cover

Propagation:
Sow seeds indoors six to eight weeks before your regions's last frost date. In mild-winter areas, plant seeds directly in the garden in early spring. Plant established seedlings directly in soil after your region's last frost date. It also grows easily from cuttings.