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Grandiflora Thunbergia Plant

9.99
  • - Black Eyed Susan Vine
  • - Height: 6-8 feet
  • - Growing Zone: 2-11
  • - Exposure: Full Sun
  • - Bloom Time: Spring-Fall
  • - Each 3-Inch Pot contains 1 Grandiflora Thunbergia Plant
Plant Features

Grandiflora Thunbergia is an enthusiastic grower that features sky blue blooms with a sweet yellow eye. As a twirling and twining vine, it does best with some structure, like a trellis, as it can quickly take over the area. Commonly called Black-eyed Susan Vine, its perfect for your hanging baskets, adding vertical interest or even as ground cover!

Planting Instructions:

  • - Plant in spring after the last frost date

Soil Preparation:

  • - Ideal soil pH: 6.0-7.5

Watering Specifics:

  • - Allow the top inch of soil to dry out between waterings

Fertilizer Type:

  • - Apply a balanced, water-soluble fertilizer every 2-3 weeks during the growing season

Pruning and Training:

  • - Train vines to climb on trellises, arbors, or fences for vertical interest
  • - Prune lightly to control shape and remove dead or overcrowded growth

Additional Pest Management:

  • - Watch for common pests like aphids and whiteflies
  • - Monitor for fungal diseases, especially in humid conditions

Blooming Indicators:

  • - Produces vibrant, trumpet-shaped flowers in shades of yellow, orange, and white, often with a dark center
  • - Blooms continuously from late spring through fall

Light Requirements:

  • - Thrives in full sun but can tolerate partial shade, especially in hot climates
  • - Requires at least 4-6 hours of direct sunlight daily for optimal blooming

Temperature Tolerance:

  • - Thrives in temperatures between 65-80°F
  • - Can tolerate heat but may require more frequent watering during hot spells
  • - Frost-tender; bring indoors or protect when temperatures drop below 50°F

Companion Plants for Thunbergia:

Thunbergia pairs well with a variety of complementary plants that share similar growing conditions. Some excellent companions include:

  • - Clematis: This climbing plant pairs beautifully with Thunbergia on trellises, providing a stunning mix of flowers
  • - Salvia: The spiky blooms of Salvia contrast nicely with Thunbergia’s rounded flowers
  • - Verbena: These trailing plants add a splash of color and texture to the base of Thunbergia vines
  • - Zinnias: The bold colors of Zinnias make a striking combination with Thunbergia in garden beds
Attribute name Attribute value
Plant Needs
Growing Support Trellis
Attribute name Attribute value
Plant Characteristics
Height Category Tall
Mature Spread 3-5 feet
Habit Vining
Flower Color Violet
Foliage Color Green
Attracts Bees, Butterflies
Features Heat tolerant
Garden Styles Container Garden, Cottage Garden, Tropical Garden
Plant Used for Aesthetic Appeal, Climbing or Vining, Focal Point, Spiller
Disease Resistance Powdery Mildew (PM)
Pet Friendly Yes
Plant Type Hybrid
Tolerates Sandy soil

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Top Reviews

Garden Ready

My plant arrived looking very strong and ready to be planted. This has been my experience with plants from GrowJoy. I expect it to bloom any day.

From anonymous | July 19, 2022


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