Acacia salicina

A narrow, upright tree with fragrant cream puffball flowers and graceful willow-like foliage, perfect for tight screening spaces.
Hardy to about 15-18Β°F in low and mid desert; frost-sensitive when young.
AMWUA Notes
Low water use; can be short-lived if overwatered or left unpruned.
Deep-soak weekly through the first year, then every 2-3 weeks in summer once established.
Prune young trees to a single strong leader and thin the canopy to reduce wind resistance in the brittle wood; work in late winter.
No fertilizer needed; a nitrogen-fixing legume.
Few pest problems.
Fragrant cream puffball flowers in spring; evergreen willow-like foliage with seasonal pod drop.
Well-draining native or decomposed-granite soil; tolerates caliche, rocky ground, and alkaline pH 7.5β8.5
Needs well-drained soil.
None β thrives in lean desert soil without fertilizer.
Grown from scarified seed; establishes quickly from nursery stock
12β15 ft
Deep roots are non-aggressive, but keep 10β12 ft from structures; brittle wood needs staking
Love Willow Acacia? Our landscape team sources from wholesale nurseries and can incorporate it into your design.
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Data from 2024 AMWUA βLandscape Plants for the Arizona Desertβ guide.