Wedge-leaf wattle
Acacia pravissima · Fabaceae
📷 Bidgee · CC BY-SA 3.0
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around wedge-leaf wattle and prepare for winter.
ID card
- Scientific name
- Acacia pravissima
- Family
- Fabaceae
- Type
- Shrub
- Foliage
- Evergreen
- Flowering
- March to April
- Mature size
- Approximately 3 m in height
- Hardiness
- Moderate, prefers mild climate
- Origin
- Australia
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Acacia pravissima flowers best with a dry, hot summer: plant it on a well-draining slope, avoid areas where water pools. Prune just after flowering (April) to open up the shrub and stimulate denser branching.
The common mistake
Don't overprotect this hardy shrub—it fears stagnant moisture far more than dry cold down to -5°C.
The pro's trick
Before winter, around mid-November, mulch very lightly or leave bare: air must circulate at the base to prevent collar rot.
Care
Sunlight
Acacia pravissima needs full sun exposure for optimal flowering and harmonious development. Place it in a bright, well-ventilated location, sheltered from harsh cold winds. Light partial shade can be tolerated in very hot regions.
Watering
This is a very water-efficient shrub once established. Water regularly during the first year to encourage root development, then gradually space out waterings. In Mediterranean or dry climates, occasional watering during summer is sufficient. Avoid excessive moisture, which can cause root rot.
Soil
Acacia pravissima prefers well-draining soil, slightly acidic to neutral. Poor to moderately fertile substrate suits it perfectly. Choose potting mix combined with sand or gravel to ensure optimal drainage, especially in pots or in humid regions.
Pruning and maintenance
Light pruning after flowering (May-June) helps maintain a compact, bushy shape. Remove dead or poorly oriented branches. Acacia pravissima doesn't require heavy pruning; a simple late-winter cleanup is usually sufficient.
Fertilizer
Like all acacias, this species fixes atmospheric nitrogen through its roots. Fertilizer is not essential. If you wish to provide nutritional support, use a low-nitrogen, potassium-rich fertilizer in spring, just once per season.
Diseases and pests
Acacia pravissima is generally robust and seldom affected by pests when in good condition. Watch for spider mites during intense, prolonged drought. Excessive watering can promote fungal rot; good air circulation is therefore preventive.
Did you know?
Acacia pravissima, native to southeastern Australia, is one of the first flowering plants in spring in the Northern Hemisphere, earning it the popular nickname 'Australian Mimosa.' Its tiny pale yellow flowers are actually glomerules (compact clusters) much visited by pollinating insects. In Australia, acacias have nourished indigenous peoples for millennia, their seeds being a precious nutritional source.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Chinese wisteriaWisteria sinensis
- Common broomCytisus scoparius
- Black locustRobinia pseudoacacia
- Common PeaLathyrus oleraceus
- Honey locustGleditsia triacanthos
- Hairy greenweedGenista pilosa
Tips generated and checked by Viridia — adapt them to your local climate.