Orange Thunbergia Flower Planting Seeds grow into fast-growing, climbing or trailing plants admired for their bold orange trumpet-shaped blooms paired with contrasting dark centers. Commonly known as Black-Eyed Susan Vine, Thunbergia is prized for its rapid growth, long blooming season, and excellent performance in vertical garden displays. Perfect for trellises, fences, pergolas, balcony railings, hanging baskets, and large containers, Orange Thunbergia brings height, movement, and tropical vibrancy to any outdoor space.
Premium-quality, non-GMO Orange Thunbergia Flower Planting Seeds
Produces vibrant orange trumpet-shaped blooms with dark centers
Ideal for trellises, fences, pots, hanging baskets, and balconies
Strong germination with fast-growing climbing or trailing habit
Long blooming season from spring through autumn
Excellent heat tolerance and vigorous growth
Highly attractive to bees and beneficial pollinators
Low-maintenance and beginner-friendly flowering climber
Plant Type: Annual Climbing Vine
Common Name: Orange Thunbergia, Black-Eyed Susan Vine
Scientific Name: Thunbergia alata
Variety: Orange Flowering Type
GMO Status: Non-GMO
Heirloom: Yes
Growth Season: Springsummer to autumn
USDA Zones: 911 (grown as annual in cooler zones)
Sun Exposure: Full sun to partial shade
Soil Type: Well-drained, moderately fertile garden soil
Bloom Time: Late spring to autumn
Plant Height / Spread: 58 feet (climbing)
Spacing: 1218 inches
Watering: Moderate (keep soil evenly moist, not soggy)
Sowing Method: Start indoors in trays or direct sow outdoors
Seed Preparation: Soak seeds in water for 68 hours before sowing
Sowing Depth: 1/4 inch deep
Germination Time: 714 days
Ideal Temperature: 2028C
Transplanting: Transplant when seedlings are strong and well-rooted
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