Black-eyed Susan Vine Thungbergia Flower Seeds

Thunbergia - Black-Eyed Susan Vine (Heirloom) - Thunbergia alata Annual The enticing 1-.5 flowers with contrasting deep black centers peep out from handsome heart-shaped leaves on gracefully twining vines. Grow them up a short trellis or enjoy their flowers in hanging baskets or window boxes. These old-fashioned favorites are a real treat in midsummer when they bloom in profusion to brighten the garden with their radiant faces. Soil & Water: Grows best in well drained, fertile garden soil in a sheltered spot out of the wind.

Variety Details

• Botanical name: Thunbergia alata
• Plant type: Annual
• Growth habit: Vining
• Crop category: Flower seed
• Flower character: Annual The enticing 1-.5 flowers with contrasting deep black centers peep out from handsome heart-shaped leaves on gracefully twining vines.
• Recorded feature: Container Compatible
• Product format: Seed packet

Sowing & Growing

• Soil Temperature: above 50°F
• Planting Depth: 1/2"
• Germination: 14-21 Days
• Height At Maturity: 4-5 feet
• Sun/Shade: Full Sun
• Spacing After Thinning: 6"

Prepare a weed-reduced seedbed for Black-eyed Susan Vine Thungbergia Flower and use the recorded planting season, depth, and light requirements. Press shallow-sown seed into good soil contact and keep the seed zone from drying during establishment. Thin or transplant only when the growth habit and spacing call for it. Leave enough room for mature width and air movement. Bloom timing and final height can shift with sowing date, climate, soil, moisture, and competition, so use listed figures as planning ranges.

Place Black-eyed Susan Vine Thungbergia Flower where its recorded height and growth habit fit the surrounding planting. Shorter companions can be positioned toward bed edges, while taller stems need room where they will not shade small seedlings too early. If cutting flowers, harvest with clean tools at the stage appropriate to the bloom form. If leaving flowers in place, observe how bloom sequence changes through the season and record which sowing date performed best at the site.

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