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Crucifixion Thorn

Castela emoryi

Details & Attributes

Plant Type(s) Shrub
Native to Arizona Yes!
Water Needs Low
Sun Full sun
Pollinators Bees
Has Spines Yes
In relative feet, width by height
8-12'+ × 8-12'+
Flowering Season June-July
Flower Color Cream
Minimum Temperature Range 25-30 °F
Leaf Description Scale like foliage which is quickly discarded
Fruit Red or tan berries
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Elevation Range 500-2300 ft.
Description This species is similar to Koeberlinia spinosa with green stems ending in sharp points, but is often more upright and arborescent. This species is found in Arizona around Phoenix and into the southwestern portion of the state. Look for this plant on well draining wash edges, or gravelly alluvial slopes. Flowers come in dense clusters of small cream colored blooms, followed by tan or reddish berries which attract wildlife. A good choice for a very drought tolerant wildlife hedge plant.