Passiflora quadrangularis Seeds – Giant Granadilla Passion Flower Vine, Tropical Climbing Plant

Passiflora quadrangularis, commonly known as Giant Granadilla, is a large tropical passion flower vine valued for its impressive blooms and sizeable fruit. This vigorous climbing plant produces ornamental flowers in shades of red, pink, and white, followed by large edible fruits in warm climates. Suitable for gardeners who enjoy tropical vines, vertical gardening, and rare Passiflora species.

These seeds grow into a strong climbing vine that performs well in sunny, warm conditions and supports trellises, pergolas, fences, or greenhouse structures. Ideal for collectors, tropical plant growers, and passionflower enthusiasts looking for a fast-growing ornamental vine with striking floral displays.

• Botanical species: Passiflora quadrangularis

• Large tropical climbing vine

• Produces showy passion flowers

• Suitable for warm and frost-free climates

• Fast-growing with strong tendrils

• Ideal for trellises, arbors, fences, and greenhouses

• Edible fruits in suitable climates

• Seed-grown variety for garden or container use

• Common Name: Giant Granadilla Passion Flower

• Botanical Name: Passiflora quadrangularis

• Plant Type: Tropical perennial vine

• Growth Habit: Climbing with tendrils

• Flower Colors: Pink, red, white combination

• Sunlight: Full sun to partial shade

• Soil Type: Well-drained, fertile soil

• USDA Zones: Best in Zones 9–11

• Growth Speed: Fast under warm conditions

• Mature Length: Can reach 10–15 meters with support

1. Seed Preparation:
   Soak the seeds in warm water for 24–48 hours to improve germination.

2. Sowing:
   Sow seeds 0.5–1 cm deep in well-draining seed-starting mix.

3. Temperature:
   Maintain soil temperature between 24–28°C for optimal germination.

4. Germination Time:
   Typically 4–12 weeks; some seeds may take longer.

5. Light:
   Provide bright light or full sun once seedlings emerge.

6. Watering:
   Keep soil slightly moist but not waterlogged.

7. Transplanting:
   Transplant seedlings to larger containers or outdoor soil after they develop strong root systems and when temperatures remain consistently warm.

8. Support:
   Provide a trellis, fence, or climbing structure as the vine grows.