
Black-eyed Susan Vine
- Botanical Name
- Thunbergia alata
- Min Zone
- 10
- Max Zone
- 11
- Height
- 3 to 8 feet
- Width
- 3 to 6 feet
- Flowers
- Seasonal: five overlapping petals surround dark thoats; orange, yellow, peach
- Light
- Full sun to part shade
- Soil
- Moist, well-drained, fertile
- Planting & Care
- Does not like excessive heat and benefits from afternoon shade
- Because black-eyed Susan vine prefers cooler conditions, flowering is best in late summer and early fall as temperatures cool
- Sow seeds directly outdoors after last frost
- Seeds can be started indoors 6 to 8 weeks before the last frost date
- Plants can be overwintered indoors as a houseplant if given plenty of sunlight
- Propagate, share and overwinter by taking cuttings in late summer
- Set transplants of this twining vine near a trellis, fence or other support, spacing 14 to 16 inches apart
- Fertilize every 2 to 3 weeks if growing in a container
- Problems
- None serious
- Varieties
- African Sunset - a mix of shades of cream to brick red
- Arizona Dark Red - deep red-orange flowers
- Lemon A-Peel - bright yellow blooms
- Raspberry Smoothie - pale lilac-pink flowers, grey-green foliage
- Superstar Orange - large bright orange flowers
- Pure White - white blooms
- Spanish Eyes - muted shades of apricot, salmon, rose, ivory and terra cotta
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