Gardening
in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Acacia stenophylla: Shoestring Acacia

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Description
Form: Tree.
Leaf retention: Evergreen.
Growth rate: Rapid.
Mature Size: 20-40' high and 15-20' wide.
Flowers: Cream colored fuzzy balls.
Bloom: Fall, winter, spring.
Fruit: Long seed pod with constrictions between seeds, looking like a necklace. Pods persist on tree for months, providing an exotic appearance. Seeds and pods edible when roasted.
Leaves: Long and narrow, giving tree weeping look. Provides light to medium shade.
Stems: No thorns. Maroon bark on new growth.
Roots: Nitrogen-fixing*.
Wildlife: Attracts butterflies, bees, birds.
Toxic / Danger: No.
Origin: Australia.

Cultivation and Uses
USDA hardiness zones: 9-12.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water after becoming established: Monthly, deeply, at drip line away from trunk to encourage sideways root growth.
Soil: Well drained, pH 6.1-8.5 (slightly acidic to alkaline), subject to root rot with excessive moisture. *Do not use a nitrogen fertilizer.
First Year Care: Water weekly until one month before frost. Use a double-dike system: two concentric dirt dike rings, the first at the drip line, the second two feet outside the first. Move the dikes outward every year for the first five years. Never water at the trunk or roots will not grow away from it.
Prune: To force upright tree shape.
Litter: Low.
Propagation: Seed. Reseeds itself in favorable conditions.
Pests: Mistletoe infection possible with insufficient water during drought.
Uses: Ornamental, filtered shade.

Comments
Roots must be encouraged to grow sideways away from the trunk, through proper watering, to form a wider root system. This makes the tree more drought tolerant and keeps it from being toppled by strong winds.



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Acacia stenophylla: Shoestring Acacia - flowers

Acacia stenophylla: Shoestring Acacia - seed pods

Acacia stenophylla: Shoestring Acacia - seed pods

Acacia stenophylla: Shoestring Acacia tree