Weeping acacia, a single-trunk tree with hanging curtains of narrow silvery blue-gray leaves, in a gravel yard

Weeping Acacia

Acacia pendula
Categories:
Trees  ·  
Desert & Native Trees
Light
Full sun
Water
Low water once established. Water deeply and regularly during establishment, then infrequently, allowing soil to dry between irrigations. Supplemental deep watering during prolonged summer heat supports canopy health.
Size
20-25 ft tall × 15-20 ft wide
Habit
Upright tree – single-trunk
Toxicity
Not Established
Description
An Australian evergreen tree with gracefully weeping branches and narrow, silvery blue-gray foliage; well suited to Phoenix’s hot, dry climate.
Bloom Time
Late winter to spring
Deciduous / Evergreen
Evergreen
Special Features
Colorful Foliage, Drought Tolerant, Thornless, Thorny / Spiny
Growth Rate
Slow to moderate
Growth Habit
Upright tree – single-trunk
Mature Size
20-25 ft tall × 15-20 ft wide
Flower Color
Yellow
Foliage Color
Silver-gray
Landscape Use
Desert / Xeriscape, Specimen / Accent
Garden Style
Desert / Xeriscape, Mediterranean
Soil
Alkaline Tolerant, Sandy / Rocky, Well-Drained
Companion Plants
Deer grass, Desert spoon, Red yucca, Texas sage, Trailing lantana
Not Established
Not established — verify (some Acacia species toxic to livestock)
Care Instructions

Light: Full sun; provide ample space for the canopy to develop.

Water: Low water once established. Water deeply and regularly during establishment, then infrequently, allowing soil to dry between irrigations. Supplemental deep watering during prolonged summer heat supports canopy health.

Soil: Well-drained soil; tolerates sandy, loamy, clay, and alkaline soils, but avoid persistently wet conditions.

Mature size: Typically 20–30 feet tall and 15–25 feet wide in Phoenix landscapes; may grow larger under favorable conditions.

Bloom: Small flowers typically appear in late winter through spring; flowering can be sparse or irregular in Phoenix.

Evergreen / deciduous: Evergreen.

Growth rate: Slow to moderate; faster with appropriate irrigation during establishment.