Cape Primrose (Streptocarpus saxorum 'Concord Blue')
Concord Blue
About this plant
Streptocarpus saxorum 'Concord Blue' is a charming, compact flowering plant known for its lovely blue-purple trumpet-shaped flowers. It has soft, green leaves and blooms profusely, making it a popular choice for indoor pots and hanging baskets. Originally from South Africa, it is appreciated for its long flowering period and ease of care.
Taxonomy
Higher classification: Order Lamiales
Origin & Distribution
- Native region
- South Africa
- Distribution
- Cultivated worldwide as a houseplant, originally native to South Africa.
Care
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, North-facing, Northeast-facing, Northwest-facing
- USDA hardiness zones
- 10–11
- Soil pH
- 5.5–6.5 (slightly acidic to neutral)
- Soil type
- well-draining potting mix, rich in organic matter
Watering. Water moderately, allowing the top inch of soil to dry out between waterings. Avoid waterlogging to prevent root rot.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 2-4 weeks during the growing season (spring to early fall). Reduce feeding in winter when growth slows.
This plant is easy to care for and thrives in bright, indirect light. It prefers moderate watering and well-draining soil. Avoid overwatering to prevent root rot. It is suitable for beginners and does well indoors with minimal maintenance.
Propagation
- Propagation methods
- Cuttings, Division
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–fall
Attractive blue-purple flowers with soft green foliage, compact and bushy form.
Toxicity & Safety
Non-toxic to humans and pets, safe to keep around children and animals.
Allergy information
Streptocarpus saxorum 'Concord Blue' is generally safe for most people and does not commonly cause allergies. However, those sensitive to plant sap or pollen should handle it gently and avoid direct skin contact if irritation occurs. Keeping the plant clean and in a well-ventilated area can help reduce any minor allergic reactions.
Common problems
Overwatering can cause root rot. Insufficient light may lead to poor flowering. Watch for pests like aphids or spider mites occasionally.
Uses
Primarily grown as an ornamental houseplant for its attractive flowers and foliage. Ideal for bright indoor spaces and shaded balconies.
Notes
Prune spent flowers to encourage more blooms. Repot every 1-2 years in fresh soil to maintain health. Avoid direct sunlight which can scorch leaves.