Slipper Flower (Calceolaria integrifolia)
Integrifolia
About this plant
Calceolaria integrifolia, commonly known as Slipper Flower, is a small shrub admired for its bright yellow, pouch-shaped flowers and soft, fuzzy leaves. It is native to South America and often grown as an ornamental plant in gardens and containers. Its unique flowers resemble little slippers, making it a charming addition to shaded garden spots or indoor collections.
Taxonomy
Higher classification: Lamiales
Origin & Distribution
- Native region
- Chile, Argentina
- Distribution
- Native to the Andes region of South America; cultivated in temperate gardens worldwide.
Care
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, North-facing, Northeast-facing
- USDA hardiness zones
- 9–11
- Soil pH
- 5.5–6.5 (slightly acidic to neutral)
- Soil type
- well-draining loam, rich in organic matter
Watering. Keep soil evenly moist but not waterlogged. Water when the top inch of soil feels dry. Avoid letting the plant sit in standing water.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season (spring and summer). Avoid over-fertilizing, which can harm the plant.
Calceolaria integrifolia is a moderately easy plant to care for. It prefers cool temperatures and partial shade. Overwatering can cause root rot, so allow the soil to dry slightly between waterings. Regular pruning helps maintain its shape and encourages bushier growth.
Propagation
- Propagation methods
- Cuttings, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Bright yellow slipper-shaped flowers and soft, fuzzy green leaves.
Toxicity & Safety
Non-toxic to humans and pets; safe to keep around children and animals.
Allergy information
Calceolaria integrifolia may cause mild skin irritation in sensitive individuals due to contact with its sap. It is not known to produce airborne pollen that triggers allergies. To reduce risk, avoid direct skin contact and wash hands after handling.
Common problems
Common problems include root rot from overwatering, leaf yellowing due to poor drainage or excessive sun, and occasional pest issues like aphids.
Uses
Primarily grown as an ornamental plant for its attractive flowers and foliage, suitable for gardens, patios, and indoor decoration.
Notes
Prune lightly after flowering to encourage bushier growth. Repot every 2-3 years to refresh soil. Protect from frost and extreme heat.