Golden Mimosa (Acacia dealbata)
Common Names: Golden Mimosa, Silver Wattle
Family: Fabaceae (Legume family)
Plant Type: Evergreen flowering tree
Overview
Golden Mimosa is a fast-growing evergreen tree known for its feathery silver-green foliage and bright, fragrant yellow flowers that bloom in late winter to early spring. Native to Australia, it is widely grown in warm climates as an ornamental landscape tree.
Key Characteristics
- Height: 20–40 feet
- Spread: 15–30 feet
- Growth Rate: Fast
- Foliage: Fine, fern-like, silvery-green leaves
- Flowers: Bright yellow, fluffy clusters with strong fragrance
- Bloom Time: Late winter to early spring
- Hardiness Zones: USDA 8–11
Growing Conditions
- Sunlight: Full sun
- Soil: Well-drained soil; tolerates poor soils
- Water Needs: Moderate; drought tolerant once established
- Temperature: Prefers mild, frost-free climates
Planting & Care
- Plant in a sunny, sheltered location
- Water regularly during establishment
- Prune after flowering to maintain shape
- Avoid heavy fertilization; thrives in low-nutrient soils
Uses
- Ornamental landscape tree
- Fragrant cut flowers
- Attracts pollinators such as bees
- Erosion control in suitable climates
Additional Information
- Native Range: Southeastern Australia
- Invasiveness: Can be invasive in some regions
- Lifespan: Typically 10–20 years