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Correa alba
White Correa
Correa alba
Correa alba is a hardy, evergreen shrub native to coastal areas of Australia. It is known for its dense, rounded form and attractive white flowers that bloom from winter to spring. The foliage is a silvery-green color and has a slightly aromatic scent. It's drought-tolerant and well-suited for coastal gardens.
CategoryDetails
Plant TypePerennial plant
Estimated Plant Lifespan15 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Watering Requirements

Method: Water at the base of the plant.

Frequency: Once or twice a week during dry periods, less frequently when established.

Notes: Avoid overhead watering to prevent fungal diseases.

Humidity Requirements

Level: Moderate

Maintenance: Generally, no special humidity measures are needed as long as the plant is outdoors.

Care InstructionsPrune lightly after flowering to maintain shape. Avoid heavy pruning as it can reduce flowering. Mulch around the base of the plant to conserve moisture and suppress weeds.
Temperature Range

Min: -5°C

Max: 40°C

Cultivars

Westringia fruticosa
Coastal Rosemary
Westringia fruticosa
Similar water and sun requirements; provides a contrasting texture and color with its grey-green foliage.
Banksia integrifolia
Coastal Banksia
Banksia integrifolia
Tolerates similar conditions and offers a different flowering season and form, creating a diverse and attractive garden.
Scale Insects

These small, sap-sucking insects can infest stems and leaves, causing yellowing, stunted growth, and sooty mold. Look for small, brown, or white bumps on the plant. Sooty mold is a black fungus that grows on the honeydew secreted by the scale.

Aphids

Small, soft-bodied insects that suck sap from new growth, causing distorted leaves, stunted growth, and the spread of diseases. They can be identified by their small size and aggregation on stems and leaves.

Steps:

    • Take semi-hardwood cuttings in late summer or early autumn.
    • Use a sharp knife or secateurs to cut stems about 10-15cm long.
    • Remove the lower leaves, leaving a few at the top.
    • Dip the cut end in rooting hormone.
    • Plant the cuttings in a well-draining potting mix.
    • Keep the soil moist but not waterlogged.
    • Place in a sheltered spot with indirect light.
    • Roots should develop in 6-10 weeks.

Neem Oil

Controls scale insects and aphids, and can also help prevent fungal diseases.

Liquid Seaweed Fertilizer

Promotes healthy growth and flowering.

Controlled-release fertilizer for native plants

Provides slow release nutrients that the plant can absorb at its own pace.