Thunbergia (Black-Eyed Susan Vine) Seeds for Planting – Heirloom, Non-GMO, Fast-Growing, Outdoor Climbing Annual

Thunbergia, commonly known as Black-Eyed Susan Vine, is a dependable climbing plant valued for its steady growth and vibrant seasonal blooms. These heirloom, non-GMO seeds are suitable for home gardens, trellises, fences, arches, and balcony planters. With consistent care, this vine produces a dense green cover and a long display of flowers throughout the warm season.

• Heirloom & Non-GMO Seeds for gardeners who prefer naturally preserved varieties.

• Fast-Growing Climber ideal for vertical gardening, trellises, pergolas, and outdoor structures.

• Annual Growth Habit in most regions, completing its lifecycle within a single warm season.

• Bright Seasonal Blooms that add color and visual interest to garden spaces.

• Suitable for Containers & Ground Planting, adapting well to small or large spaces.

• Easy to Grow with steady germination in warm conditions.

• Season: Warm-season sowing is recommended.

• Sunlight: Prefers full sun; can tolerate partial shade.

• Soil: Well-drained, moderately fertile soil works best.

• Sowing Method:

  • Start seeds directly outdoors after frost or indoors 4–6 weeks earlier.

  • Press seeds lightly into soil; avoid deep burial.

• Spacing: Leave enough room for vines to spread and climb.

• Watering: Keep soil moist during germination, then water regularly as needed.

• Support Required: Provide a trellis, wire frame, or similar structure for climbing.

• Growth Duration: Seeds germinate within 10–20 days in warm conditions.

• Vertical gardens

• Decorative fences

• Balcony and terrace planters

• Entryway arches and garden pathways

• Seasonal outdoor displays

• Seed Type: Heirloom, Non-GMO

• Growth Habit: Climbing annual

• Light Requirement: Full sun to partial shade

• Suitable Zones: Commonly grown across warm and mild regions

• Germination Time: Approximately 10–20 days

• Mature Height: Can reach 6–10 feet with support

• Water Requirement: Moderate

• Blooming Period: Warm-season flowering

• Plant Usage: Outdoor ornamental climbing plant