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Calodendrum capense
Cape Chestnut
Calodendrum capense
Calodendrum capense, the Cape Chestnut, is a beautiful, medium to large evergreen tree native to South Africa. It is known for its showy display of pink to mauve flowers in spring and summer, attracting bees and other pollinators. It prefers a warm, sunny climate and well-drained soil. The tree produces woody capsules containing large seeds. It is not related to the true chestnut (Castanea) despite its common name.
CategoryDetails
Plant TypePerennial plant
Medicinal UsageMedicinal Usage
Estimated Plant Lifespan50 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Pollination

Method: animal

Notes: Pollinated by insects, particularly bees, drawn to the fragrant flowers.

Watering Requirements

Method: Deep watering

Frequency: Regularly during dry periods, allow soil to dry slightly between waterings.

Notes: Avoid overwatering, which can lead to root rot.

Humidity Requirements

Level: moderate

Care InstructionsPrune lightly after flowering to maintain shape and remove dead or damaged branches.
Temperature Range

Min: -5°C

Max: 35°C

Alternative NamesWild Chest Nut, Calodendron capense

Cultivars

Cape Chestnut

Price: $79
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Pink

Price: $79
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Tecomaria capensis
Cape Honeysuckle
Tecomaria capensis
Both are native to South Africa and thrive in similar conditions, creating a vibrant display with complementary flowering periods.
Strelitzia reginae
common bird-of-paradise flower
Strelitzia reginae
The contrasting foliage and architectural form of the Bird of Paradise complements the rounded canopy of the Cape Chestnut, and both prefer similar growing conditions.
Acacia mearnsii
black wattle
Acacia mearnsii

Although invasive in some areas, where not invasive it can compete with Cape Chestnut for resources, especially water and nutrients, and cast excessive shade.

Scale insects

Scale insects can infest Cape Chestnut, sucking sap and weakening the tree. Symptoms include sticky honeydew, sooty mold, and yellowing leaves.

Steps:

    • Soak seeds in warm water for 24 hours before sowing.
    • Sow seeds in a well-draining seed-raising mix.
    • Keep the soil moist but not waterlogged.
    • Germination can take several weeks.
    • Take semi-hardwood cuttings in late summer or early autumn.
    • Dip cuttings in rooting hormone.
    • Plant cuttings in a well-draining potting mix.
    • Keep the cuttings warm and humid.

Neem oil

For controlling scale insects and other pests.

Seaweed extract

To promote healthy growth and enhance stress tolerance.