Flame Vine
Pyrostegia venusta
Flame Vine
About this plant
Pyrostegia venusta, commonly known as Flame Vine, is a vibrant climbing plant famous for its bright orange trumpet-shaped flowers that bloom in clusters, usually in winter or early spring. It is often used to cover fences, walls, or trellises, adding a splash of color to gardens. The plant is evergreen in warm climates and can grow rapidly, making it popular for ornamental use.
Taxonomy
- Genus
- Pyrostegia
- Family
- Bignoniaceae
- Higher classification
- Order Lamiales
- Plant type
- Vine
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Brazil, Paraguay, Argentina
- Distribution
- Native to South America, especially Brazil, Paraguay, and Argentina; widely cultivated in warm regions worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 35 °C
- Optimal
- 15–30 °C
- USDA hardiness zones
- 9–11
- Soil pH
- 6.0–7.5 (slightly acidic to neutral)
- Soil type
- well-draining loam or sandy soil
Watering. Water regularly during the growing season, allowing the soil to dry slightly between waterings. Reduce watering in winter when the plant is less active.
Fertilizing. Feed with a balanced, slow-release fertilizer in early spring and again in mid-summer to support flowering and growth. Avoid excessive nitrogen, which can reduce blooms.
Pyrostegia venusta is a vigorous, fast-growing vine that thrives in full sun and well-drained soil. It is fairly drought-tolerant once established but benefits from regular watering during dry periods. Pruning after flowering helps maintain its shape and encourages new growth. It may need support to climb and can tolerate a range of soil types.
Propagation
- Propagation methods
- Cuttings, Layering, Seeds
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- winter–spring
Bright orange tubular flowers in dense clusters, evergreen glossy leaves, vigorous climbing habit.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Low spread
Sap may cause skin irritation; avoid ingestion. Keep away from children and pets to prevent accidental contact or ingestion.
Allergy information
- Allergy risk
- Moderate
- Allergy triggers
- Pollen, Sap or latex, Skin contact
- Pollen level
- Moderate
Pyrostegia venusta produces pollen that may cause mild allergic reactions in sensitive individuals, especially during its flowering season. People with pollen allergies should limit exposure during this time. The plant's sap can also cause skin irritation in some people, so wearing gloves when handling is recommended.
Common problems
Common problems include leaf spots and powdery mildew if grown in overly humid or shaded conditions. Overwatering can lead to root rot. Pests like aphids or scale insects may occasionally appear.
Uses
Primarily grown as an ornamental vine for decorative purposes on fences, walls, and trellises. Its bright flowers attract pollinators like hummingbirds and butterflies.
Notes
Regular pruning after flowering helps control size and encourages more blooms. Provide sturdy support for climbing. Protect from frost in cooler climates.