Red Passionflower (Passiflora racemosa)
Racemosa
About this plant
Passiflora racemosa, known as the Red Passionflower, is a striking climbing vine famous for its bright red flowers with intricate structures. It is often grown for its ornamental beauty in gardens and on trellises. The plant attracts pollinators like bees and butterflies and adds vibrant color to outdoor spaces.
Taxonomy
Higher classification: Order Malpighiales
Origin & Distribution
- Native region
- Colombia
- Distribution
- Native to Colombia and cultivated in warm regions worldwide, especially in gardens and greenhouses.
Care
- Suitable locations
- Outdoor, Greenhouse, Balcony
- Preferred window facing
- South-facing, West-facing, East-facing
- USDA hardiness zones
- 9–11
- Soil pH
- 6.0–7.5
- Soil type
- well-draining loam, rich in organic matter
Watering. Water regularly to keep soil moist but not soggy. Reduce watering in cooler months.
Fertilizing. Feed the plant every 4-6 weeks during the growing season with a balanced, water-soluble fertilizer to support healthy growth and flowering.
Passiflora racemosa is a fast-growing vine that prefers sunny spots and well-drained soil. It needs regular watering but dislikes waterlogged roots. It can be sensitive to cold and may need protection in cooler climates. Pruning helps keep it healthy and encourages flowering.
Propagation
- Propagation methods
- Cuttings, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Bright red flowers with unique shapes, lush green leaves, and vigorous climbing habit.
Toxicity & Safety
Generally non-toxic but avoid ingestion and prolonged skin contact with sap to prevent irritation.
Allergy information
Passiflora racemosa may cause mild allergic reactions in sensitive individuals, mainly due to its pollen and skin contact with its sap. People with plant allergies should handle it with care and wear gloves to reduce exposure.
Common problems
Common problems include root rot from overwatering, leaf spots if air circulation is poor, and occasional pest issues like aphids or spider mites.
Uses
Primarily grown as an ornamental vine for its attractive flowers and ability to cover fences, trellises, or walls.
Notes
Prune after flowering to control size and encourage new growth. Protect from frost and cold winds. Repot young plants annually to refresh soil.