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Product Description
Thunbergia, commonly known as black-eyed Susan vine, features vibrant, trumpet-shaped blooms that bring a burst of color to gardens and trellises. These fast-growing annual seeds are perfect for adding beauty and attracting pollinators. With their charming foliage and bright flowers, Thunbergia makes an excellent choice for containers, hanging baskets, or garden borders.

Life Cycle
Annual Vine
Planting Season
Spring Summer
Growth Habit
Climbing Trailing
Flavor Profile
Non Edible
Plant Characteristics
Bright Funnel Flowers
Use
Garden Trellis Decor
Growing Conditions
Warm Sunny Areas
Harvest Advantages
Continuous Blooming
Plant Resistance
Heat Tolerant
Thunbergia alata
Seed Names
Thunbergia Seeds
Seed Type
Open Pollinated
Thunbergia, scientifically known as Thunbergia alata, is a fast-growing ornamental climbing vine admired for its vibrant trumpet-shaped flowers and dark center eye. Commonly called Black-Eyed Susan Vine, it is widely used for decorating fences, trellises, balconies, and garden walls. The plant produces abundant colorful blooms throughout the warm season and thrives in sunny, warm climates, making it a favorite for vibrant garden displays.
Light Requirement
Full Sunlight
Planting Depth
Quarter Inch
Sowing Method
Direct Sow
Plant Spacing
8–12 Inches
Days to Maturity
70–90 Days
Soil Preparation
Soak Overnight
Hardiness Zones
9–11 Zones
Water Needs
Moderate Regular
Planting Season
Spring Early Summer
Seed Count
Recommended Coverage
100
Up to 30 sq ft
500
Up to 150 sq ft
1000
Up to 300 sq ft