trefle.io · CC-BY-SA
Fabaceae
Vachellia constricta
Vachellia constricta
Also known as Vachellia, Mimosa arcuata, Acaciopsis constricta var. paucispina, Acaciopsis constricta
Flowering Plants · Native Plants · Trees & Shrubs · Acacia · Desert Shrub · Xeriscape · Native Shrub · Thorny · Yellow Flower · Arizona Native · Drought Tolerant · Pollinator · Southwest Native
Whitethorn acacia is a tough, spiny desert shrub well suited to hot, arid landscapes and xeriscape gardens in the Southwest. It requires very little supplemental water once established and thrives in full sun with excellent drainage — avoid clay soils that stay wet. Its fragrant yellow pom-pom flowers attract pollinators in spring and its thorny structure provides excellent wildlife shelter.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently; allow soil to dry completely between waterings · Every 14-21 days once established
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7–8.5
- Temperature
- -20°F to 110°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 60 in apart
- Growth rate
- Slow
- Root depth
- Deep
- Flowers
- Yellow
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, California, Maryland, Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest, New Mexico, Texas
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
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