Trumpet Vine Seeds – Campsis Radicans

Trumpet Vine Seeds – Campsis radicans produce vigorous, fast-growing climbing plants known for their stunning trumpet-shaped blooms in shades of orange to red. These hardy vines are a favorite among gardeners for their ability to attract hummingbirds and butterflies while adding a dramatic, tropical feel to fences, trellises, and walls.

Trumpet vines are adaptable and resilient, thriving in a wide range of soil types and climates. Once established, they require minimal maintenance and deliver a long-lasting display of color throughout summer and early fall. Ideal for creating natural privacy screens or enhancing vertical garden designs.

Features:

• Type: Perennial climbing vine

• Common Name (US): Trumpet Vine

• Scientific Name: Campsis radicans

• Flower Color: Orange to red trumpet-shaped blooms

• Growth Habit: Climbing and spreading

• Height: Up to 30–40 feet (9–12 meters) when supported

• Soil Requirement: Well-drained, moderately fertile soil

• Sunlight: Full sun for best flowering; tolerates partial shade

• Watering: Moderate; drought-tolerant once established

• Bloom Time: Mid-summer to early fall

• Special Feature: Attracts hummingbirds and butterflies

Specifications:

• Planting Season: Spring or early summer after last frost

• Hardiness Zones (USDA): Zones 4–9

• Sowing Method: Start indoors 6–8 weeks before last frost or direct sow outdoors after frost danger has passed

• Germination Time: 20–30 days

• Germination Temperature: 65–75°F (18–24°C)

• Spacing Between Plants: 24–36 inches (60–90 cm)

• Mature Plant Height: Up to 30–40 feet (9–12 meters)

• Best Growing Months:

  • Northern Zones (4–6): May to September

  • Mid Zones (7–8): April to October

  • Southern Zones (9): March to November

• Maintenance: Low; prune after flowering to control growth and shape the vine

• Uses: Trellises, fences, pergolas, arbors, and natural screening