Crucifixion Thorn, Holocantha, Corona de Cristo, Chaparro Amargosa

Castelaemoryi

Genus
Castela (KAS-tel-uh)
Species
emoryi (EM-or-ee)
Synonym
Holacantha emoryi
Sun Exposure
Full Sun
Height
8-10 ft. (2.4-3 m)
Spacing
8-10 ft. (2.4-3 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Red
Brown/Bronze
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Shrubs
Trees
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Phoenix, Arizona

Safford, Arizona

Sedona, Arizona

Tonto Basin, Arizona

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Gardener's Notes:

2
positives
3
neutrals
0
negative
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H
Swift Trail Junction, AZ | February 2014 | positive

A magical jumbled criss-cross of bright green thorns in the dull deciduous desert and I am losing sleep over it. xenomorf or any plant sc...Read More

H
San Simon, AZ | February 2012 | positive

There are some good examples of this plant towards the back (western portion) of the "Park of the Canals" in North-Central Mesa, AZ. They...Read More

K
Garberville, CA | June 2010 | neutral

this plant is endemic to the desert sw and is hard to find. i have not heard of it's propagation. populations of this plant are limited...Read More

R
R
Sedona, AZ | November 2009 | neutral

I see this plant all around the Sedona area and would like to know where I can buy one. They are really beautiful and unusual especially...Read More

X
Phoenix, AZ (Zone 9b) | April 2005 | neutral

This plant has NO leaves, only thorns.

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