Form: Palm tree.
Leaf retention: Evergreen.
Growth rate: Slow.
Mature Size: 60' high and 12' wide.
Flowers: Branching, white and yellow flower clusters project out
and often downward from the leaf crown.
Bloom: Mid to late spring.
Fruit: Oblong or round, red-black, edible dates, each about 1/2"
in diameter. They contain a single seed, approximately 1/4" in diameter.
Leaves: Gray-green, fan-shaped, each 3-6 ft across.
They spread out to form a loose and open crown. Dead leaves remain on
trunk, hanging down to form a petticoat.
Stems: The leaf stems of mature palms have curved thorns along
the margins. The leaf stems of young palms are largely without thorns.
Roots: An extensive, fleshy and strong root system penetrating deeply
in search of water.
Wildlife: Provides a habitat for birds, mammals and even a bat species.
Dinapate beetles are a possible pest.
Toxic / Danger: Thorns on older palm leaf stems that are out of reach
Origin: Arizona, Nevada, California, Baja California.
Cultivation and Uses
USDA hardiness zones: 8b-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun.
Water once established: Once every month or two. Too much water
results in root rot.
Soil: Well-drained, pH 6.1-7.8 (slightly acidic to slightly
Prune: Remove dead leaf fronds (petticoat) from around trunk.
They can be used as habitat by rats while on tree.
Uses: Accent tree. Fruit and ground seed are edible.
Similar to Mexican Fan Palm, Washingtonia robusta, which has a slimmer trunk,
grows to 100' high, and is considered invasive in California.
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