Silver Wattle A small evergreen flowering tree that is native to Australia. Acacia retinoides has vivid yellow flowers that appear intermittently throughout the year, beginning in Spring. Acacia retinoides has attractive narrow lance-shaped leaves and a spreading habit. Unusually for Acacias, this variety will tolerate lime. Good for a small sheltered garden, though equally fitting in larger gardens.Site: Requires shelter from harsh windsSoil: Prefers well-drained soilPosition: Full sun, partial shadeSeason of interest: Spring flowering, evergreen Hardiness: Hardy to approx -10°CHeight: 12-15ft (3.5-4.5m) Spread: 10-15ft (3-4.5m)