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Joshua Tree
Scientific Name: Yucca brevifolia Engelm.
Family: Agavaceae
Joshua Tree (Yucca brevifolia)
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Recommended Temperature Zone:
sunset: 8-24
USDA: 7-10

Frost Tolerance: Hardy to 0°F (-18°C)

Heat Tolerance: Extremely heat tolerant

Sun Exposure: Full sun

Origin: Southern California, Nevada, Utah and Arizona, USA (Mojave desert)

Growth Habits: Slow growing tree to 25 feet tall (8 m) or more, 15 feet wide (4.5 m)

Watering Needs: Periodic deep soaking in summer and good drainage

Propagation: Offsets handled as cuttings, seeds

The rigid leaves of the Joshua Tree are up to 16 inches long, 1 inch wide (40 cm by 2.5 cm). They have small teeth on their edges, and end in a sharp tip.
The species name "brevifolia" comes from the Latin for "short leafed".
Joshua Tree (Yucca brevifolia)

Cultural Practices:
The Joshua Tree is difficult to take care of under average garden conditions… of course in Phoenix and the rest of the southwest deserts, we don't really have average garden conditions, The trunk can be very slow to form.

Blooming Habits:
The Joshua tree blooms in early spring (February to April). The nodding panicles are 20 inches long (50 cm), bearing 3-inch greenish-white flowers (7 cm). The fruit is edible.

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