Contents
Description
Plectranthus Calycinus is a perennial herb that belongs to the mint family, Lamiaceae. It is native to South Africa, where it is widely cultivated as an ornamental plant. It is commonly known as the “spurflower” due to its spiky flowers that bloom in late summer and autumn. The plant has a pleasant fragrance that attracts bees and butterflies.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Plectranthus |
Appearance
Plectranthus Calycinus has soft, hairy leaves that are green on top and purple underneath. The leaves are opposite and ovate in shape, measuring up to 10 cm in length. The flowers are borne on long, slender stalks that arise from the leaf axils. The flowers are tubular in shape and come in shades of pink, purple, and white. The plant can grow up to 1 m in height and spread up to 0.5 m.
Care Guide
Water
Plectranthus Calycinus prefers moist soil but can tolerate some dryness. Water the plant regularly during the growing season, but avoid overwatering, as this can lead to root rot.
Fertilization
Fertilize the plant with a balanced fertilizer once a month during the growing season. Reduce fertilization during the winter months.
Soil
Plectranthus Calycinus prefers well-draining soil that is rich in organic matter. A soil pH of 6.0 to 7.5 is ideal.
Sunlight
Plectranthus Calycinus prefers partial to full shade. It can tolerate some morning sun but should be protected from hot afternoon sun.
Hardiness Zones
Plectranthus Calycinus is hardy in USDA zones 9 to 11.
Common Pests & Diseases
Plectranthus Calycinus is susceptible to spider mites and mealybugs. To prevent these pests, keep the plant well-watered and avoid overcrowding. The plant is also susceptible to root rot, which can be prevented by ensuring that the soil is well-draining.
Habitat
Plectranthus Calycinus is native to South Africa, where it grows in rocky areas and on hillsides. It is widely cultivated as an ornamental plant in gardens and as a houseplant.
Question and Answer
Q: Is Plectranthus Calycinus a good indoor plant?
A: Yes, Plectranthus Calycinus can be grown indoors as a houseplant as long as it is provided with bright, indirect light and well-draining soil.
Q: How often should I fertilize Plectranthus Calycinus?
A: Fertilize the plant with a balanced fertilizer once a month during the growing season. Reduce fertilization during the winter months.
Q: Can Plectranthus Calycinus tolerate drought?
A: Plectranthus Calycinus prefers moist soil but can tolerate some dryness. Water the plant regularly during the growing season, but avoid overwatering, as this can lead to root rot.
Q: How do I propagate Plectranthus Calycinus?
A: Plectranthus Calycinus can be propagated by stem cuttings taken in late spring or early summer. Dip the cuttings in rooting hormone and plant them in well-draining soil. Keep the soil moist until the cuttings have rooted.
Related Plants
- Plectranthus Amboinicus
- Plectranthus Argentatus
- Plectranthus Barbatus
- Plectranthus Ciliatus
References
- https://www.gardeningknowhow.com/ornamental/foliage/plectranthus/spurflower-plant-care.htm
- https://www.thespruce.com/plectranthus-plant-profile-4845245
- https://worldofsucculents.com/plectranthus-calycinus-spurflower/
