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Darwinia citriodora
lemon-scented darwinia
Darwinia citriodora
Darwinia citriodora, commonly known as the lemon-scented darwinia, is a shrub native to Western Australia. It's prized for its fragrant, lemon-scented foliage and showy, often red or pink, flower heads that bloom in spring. The plant typically grows to a height of 1-3 meters and prefers well-drained soil.
CategoryDetails
Plant TypePerennial plant
Estimated Plant Lifespan15 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Pollination

Method: Animal

Notes: Pollinated by insects, birds, and other small animals.

Watering Requirements

Method: Deep watering

Frequency: Once or twice a week during the growing season, less in winter. Allow soil to dry out slightly between waterings.

Notes: Avoid overwatering, which can lead to root rot. Well-draining soil is crucial.

Humidity Requirements

Level: Moderate

Maintenance: Darwinia generally tolerates average humidity levels. In dry climates, you might provide supplemental humidity during very hot and dry periods.

Care InstructionsPrune lightly after flowering to maintain shape and encourage bushier growth. Avoid heavy pruning, which can damage the plant.
Temperature Range

Max: 35°C

Cultivars

Melaleuca citrina
crimson bottlebrush
Melaleuca citrina
Similar growing conditions and aesthetic appeal; both appreciate well-drained soil and full sun, and their blooms complement each other.
Grevillea rosmarinifolia
rosemary grevillea
Grevillea rosmarinifolia
Grevilleas and Darwinias often share the same native habitat and soil preferences. Their different flowering times can extend the bloom season in a garden.
Scale insects

Scale insects can infest Darwinia, causing yellowing leaves and stunted growth. They appear as small, immobile bumps on stems and leaves.

Aphids

Aphids can suck sap from the plant, causing distorted growth, yellowing leaves, and the production of sticky honeydew.

Steps:

    • Take cuttings 10-15cm long from new growth in late summer or autumn.
    • Remove lower leaves.
    • Dip the cut end in rooting hormone.
    • Plant the cuttings in a well-draining potting mix.
    • Keep the potting mix moist but not waterlogged.
    • Place in a location with bright, indirect light.
    • Roots should develop in 6-12 weeks.

Neem Oil

Effective against scale insects and aphids; a natural insecticide.

Controlled-release native plant fertilizer

Provides essential nutrients for healthy growth and flowering, specifically formulated for native Australian plants.