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Flindersia australis
Crows Ash
Flindersia australis
Flindersia australis, commonly known as Australian Teak, is a large rainforest tree native to eastern Australia. It is prized for its durable and attractive timber, which resembles true teak. It features glossy, dark green leaves and produces small, fragrant white flowers followed by woody capsules containing winged seeds. It's a slow-growing but ultimately majestic tree.
CategoryDetails
Plant TypePerennial plant
Duration to maturity20 years to harvest
Estimated Plant Lifespan100 years lifespan
Sun Requirements4-6 hours direct sunlight (Partial Sun)
Pollination

Method: insect

Notes: Pollinated by insects attracted to the fragrant flowers.

Watering Requirements

Method: Top watering

Frequency: Water regularly when young, less frequently once established. Allow soil to dry slightly between waterings.

Notes: Avoid overwatering, as this can lead to root rot.

Humidity Requirements

Level: moderate

Care InstructionsPrune regularly to maintain shape and remove dead or damaged branches. Mulch around the base to conserve moisture and suppress weeds. Protect young trees from frost.
Temperature Range

Min: -5°C

Max: 40°C

Alternative NamesAustralian Teak

Cultivars

Grevillea robusta
silk oak
Grevillea robusta
Both species thrive in similar climates and soil conditions, and the Silky Oak can provide some shade for the younger Australian Teak while still allowing enough light through for healthy growth.
Brachychiton acerifolius
flame tree
Brachychiton acerifolius
These trees can coexist well as they have different growth habits and nutrient requirements, minimizing competition. The Flame Tree also attracts pollinators which could benefit the Australian Teak.
Eucalyptus grandis
Flooded Gum
Eucalyptus grandis

Both are large, fast-growing trees that can compete for resources like sunlight, water, and nutrients, particularly in confined spaces. The Flooded Gum's allelopathic properties can also inhibit the growth of nearby plants.

Leaf Miners

Larvae burrow inside leaves, creating serpentine tunnels and causing discoloration. Severe infestations can reduce the tree's vigor.

Scale Insects

These insects suck sap from leaves and stems, leading to yellowing, wilting, and stunted growth. They also excrete honeydew, which can attract sooty mold.

Steps:

    • Soak seeds in warm water for 24 hours.
    • Sow seeds in a well-draining seed-raising mix.
    • Keep the mix moist but not waterlogged.
    • Germination can take several weeks.

Seaweed extract

Provides essential nutrients and promotes healthy growth.

Neem oil

Natural insecticide effective against pests like scale and leaf miners.