Coral Bark Japanese Maple (Acer palmatum 'Sango Kaku')
Sango Kaku
About this plant
The Coral Bark Japanese Maple is known for its striking coral-red bark, especially visible in winter. It has delicate, deeply lobed leaves that turn bright yellow to orange in autumn. This small tree adds year-round interest to gardens and is often used as an ornamental specimen or in Japanese-style gardens.
Taxonomy
Higher classification: Sapindales
Origin & Distribution
- Native region
- Japan, Korea
- Distribution
- Widely cultivated in temperate regions worldwide, especially in gardens across North America, Europe, and Asia.
Care
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, North-facing, Northeast-facing
- USDA hardiness zones
- 5-8
- Soil pH
- 5.5-6.5 (slightly acidic to neutral)
- Soil type
- well-draining loam, rich in organic matter
Watering. Keep soil consistently moist but not waterlogged. Water more frequently during hot, dry periods and reduce watering in cooler months.
Fertilizing. Feed in early spring with a balanced, slow-release fertilizer. Avoid heavy fertilizing as it prefers moderate nutrients.
Acer palmatum 'Sango Kaku' is moderately easy to care for. It prefers partial shade and well-drained soil. Watch out for overwatering and ensure good air circulation to prevent common diseases. Regular pruning helps maintain its shape.
Propagation
- Propagation methods
- Cuttings, Grafting, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Notable for its bright coral-red bark, finely cut leaves, and vibrant fall colors.
Toxicity & Safety
Non-toxic to humans and pets, safe to have around children and animals.
Allergy information
This plant has low allergy risk. People sensitive to pollen might experience mild reactions during its flowering period. To reduce exposure, avoid handling the plant when it is releasing pollen.
Common problems
Common problems include leaf scorch if exposed to too much sun, root rot from overwatering, and occasional aphid or scale insect infestations.
Uses
Primarily grown as an ornamental tree for its beautiful bark and colorful foliage, ideal for gardens and landscape design.
Notes
Prune in late winter or early spring to maintain shape and remove dead branches. Protect from strong winds and late frosts. Repot young trees every 2-3 years if grown in containers.