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Black-Eyed Susan Vine

Thunbergia alata

Typically available from spring to early summer. Check with your local store for current availability. 

Perennial vine, grown as annual in our area, has triangular shaped, green leaves. Trumpet shaped flowers come in a variety of warm colors, feature purple-black throats and bloom continuously all summer. 

Plant with Zinnias


  • Landscape Size: 10' tall, width varies
  • Light Requirement: Full Sun or Morning Sun/Afternoon Shade
  • Water Needs: Moderate
  • USDA Zone: 9a or All as Annual
  • Growth Habit: Climbing, Upright
  • Growth Rate: Fast
  • Attributes: Showy Flowers, Long Boom Season

See Green Thumb Guide below for region specific information.


Green Thumb Guide

Grows best in enriched, well draining soil. Fertilize regularly with an all purpose plant food, and keep soil evenly moist. Provide a trellis or climbing support to tie new shoots until established.

These characteristics apply to the greater Sacramento area and nearby regions.

Live outside of our area? Please check with your local cooperative extension for the best growing practices in your neck of the woods

Visit: UC Cooperative Extension Offices (Opens in new window)
Visit: National County Extension Offices (Opens in new window)



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