Silver Wattle
ExplorePlants
Silver Wattle
acacia dealbata
The Silver Wattle (Acacia dealbata) is a fast-growing evergreen tree celebrated for its spectacular late-winter display of golden-yellow blossoms. Native to the tablelands and foothills of southeastern Australia, this resilient pioneer species is renowned for its feathery, blue-green to silvery foliage that catches the sunlight beautifully. Beyond its visual charm, the Silver Wattle plays a vital role in forest regeneration. As a member of the legume family, it possesses the remarkable ability to enrich poor soils by fixing atmospheric nitrogen, paving the way for other native plant species to thrive.
Habitat: Typically found in dry sclerophyll forests, woodlands, and along riverbanks, thriving in temperate regions with well-drained, acidic to neutral soils.
Appearance
This medium-sized tree typically reaches heights of 5 to 30 meters, characterized by smooth, grey-green bark that becomes fissured with age. Its most striking feature is its bipinnate, fern-like foliage, which is covered in fine, silvery hairs that give the leaves a distinct glaucous, blue-grey appearance. During late winter, the tree is smothered in dense, fragrant, spherical golden-yellow puffball flower heads grouped in large panicles.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderFabalesFamilyFabaceaeGenusAcacia
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
In Europe, particularly in southern France, the flowers of the Silver Wattle are highly prized in the perfume industry and celebrated during annual Mimosa festivals.
Its bright yellow blooms are a vital source of early-season pollen for bees and other insects waking up from winter dormancy.
The common name wattle comes from early European settlers in Australia who used the flexible branches of these trees to build wattle and daub huts.
Special abilities
Ability
Nitrogen-Fixing Roots
Houses symbiotic bacteria in its root nodules to convert atmospheric nitrogen into a usable nutrient form, enriching poor soils.
Ability
Pyrogenic Seed Germination
Produces hardy seeds with tough coats that can remain dormant in the soil for decades, germinating rapidly after being triggered by the heat of a forest fire.
Ability
Allelopathic Leaf Litter
Releases chemical compounds through its fallen foliage that can inhibit the germination and growth of competing understory plants.
Measurements & details
- Length
- 500-3000 cm
- Lifespan
- 20-50 years
Diet & Feeding
Like most plants, the Silver Wattle generates its own energy through photosynthesis, using sunlight, carbon dioxide, and water while absorbing essential soil nutrients and fixing nitrogen.
Primary Foods
- Sunlight
- Carbon Dioxide
- Water
- Nitrogen
- Soil Minerals
Ecological connections
mutualism
Nitrogen-fixing Bacteria
Rhizobium leguminosarum
Hosts nitrogen-fixing nodules on its roots in a classic symbiotic relationship.
eaten by
Australian King Parrot
Alisterus scapularis
Feeds on the seeds and galls of the tree.
host plant
Cottony Cushion Scale
Icerya purchasi
Sucks sap from the branches and twigs of the tree.
Traits
No trait badges are assigned for this object yet.
Also known as
No aliases listed yet.
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Silver Wattle?
The easiest way to identify Silver Wattle is to use the Snappit nature identifier app.
How long is Silver Wattle?
500-3000 cm
How long does Silver Wattle live?
20-50 years
What does Silver Wattle eat?
Like most plants, the Silver Wattle generates its own energy through photosynthesis, using sunlight, carbon dioxide, and water while absorbing essential soil nutrients and fixing nitrogen.
Where is Silver Wattle usually found?
Typically found in dry sclerophyll forests, woodlands, and along riverbanks, thriving in temperate regions with well-drained, acidic to neutral soils.
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