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Growing Mexican Blue Palm: Brahea armata

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Form: Palm tree.
Lifespan: Perennial.
Leaf retention: Evergreen.
Growth rate: Very slow.
Mature Size: 30-40' high and 10' wide.
Flowers: Spectacular, pale yellow, clustered in large, long, drooping plumes.
Bloom: Spring.
Fruit: Reddish-brown, round, 3/4" diameter, edible.
Leaves: Blue-gray to blue-green, wide, fan-shaped.
Stems: Thorns on leaf stems. Trunks grow 1-1.5' diameter.
Roots: Deep.
Wildlife: Attracts insects.
Toxic / Danger: Thorns.
Origin: Baja California, Mexico.

Cultivation and Uses
USDA hardiness zones: 8b-11. Hardy to 15°F.
Sunset climate zones: 10, 12-17, 19-24.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade. Full sun intensifies the blue color in the leaves.
Water after becoming established: Monthly. Supplemental water speeds growth.
Soil: Well drained, dry, low organic content.
Fertilize: Fertilization speeds growth and is only necessary with nutrient deficiency. Look for 10-5-10 to 20-5-20 (N-P-K) fertilizer that also includes the micronutrients magnesium (Mg), manganese (Mn) and iron (Fe). Apply mid-spring after one year in the ground. Do not over-fertilize. Apply under the canopy but away from the trunk.
Mulch: No.
Prune: Dead fronds.
Litter: Moderate: flower, fruit, trimmed fronds.
Propagation: Seed. Germination is erratic, can take 1-12 months.
Uses: Ornamental.

Accepts windy locations.

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Mexican Blue Palm: Brahea armata