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Citrus glauca
Australian desert lime
Citrus glauca
Citrus glauca, also known as the Australian wild lime, is a small, thorny tree native to eastern Australia. It's known for its fragrant, small white flowers and its small, round, greenish-yellow fruits. The fruits are quite acidic and are not usually consumed fresh but can be used for making jams or marmalades. The tree is drought-tolerant once established and relatively low-maintenance, making it a good choice for xeriscaping or areas with limited water resources. It's a visually interesting plant with a distinctive, somewhat gnarled appearance.
CategoryDetails
Plant TypePerennial plant
Culinary UsageEdible plant
Duration to maturity3 years to harvest
Estimated Plant Lifespan30 years lifespan
Sun Requirements6+ hours direct sunlight (Full Sun)
Pollination

Method: Insect pollination

Watering Requirements

Method: Deep watering

Frequency: When the top inch of soil is dry

Notes: Once established, it is drought-tolerant.

Humidity Requirements

Level: Moderate

Care InstructionsPrune to maintain shape and size. Remove any dead or diseased branches.
Temperature Range

Min: -5°C

Max: 40°C

Alternative NamesTriphasia glauca

Cultivars

Melaleuca alternifolia
Narrow-leaved paperbark
Melaleuca alternifolia
Tea trees are also drought-tolerant and can provide some shade, benefiting the Australian wild lime, especially in hotter climates. The two are often found in similar habitats in the wild.
Eucalyptus camaldulensis
river redgum
Eucalyptus camaldulensis

River Red Gums are fast-growing and have extensive root systems, competing with Citrus glauca for water and nutrients, especially in drier conditions.

Citrus scale

Citrus scale insects suck sap from the leaves and stems, causing yellowing, leaf drop, and reduced growth. They can also secrete honeydew, leading to sooty mold growth.

Aphids

Aphids are small insects that feed on plant sap, causing stunted growth, leaf curling, and honeydew production.

Steps:

    • Collect ripe seeds from the fruit.
    • Clean the seeds and sow them in well-drained potting mix.
    • Keep the soil moist but not waterlogged.
    • Provide warm temperatures and adequate sunlight.
    • Take semi-hardwood cuttings in late spring or early summer.
    • Treat the cuttings with rooting hormone.
    • Plant the cuttings in a moist, well-drained growing medium.
    • Maintain high humidity and warm temperatures.

Neem oil

Effective natural pest control for aphids and scale.

Potassium-rich fertilizer

Supports healthy growth and fruit production.