Mexican Fan Palm (Washingtonia robusta)

Mexican Fan Palm

Washingtonia robusta

Fan-shaped fronds catch desert breezes like sunlit umbrellas. Tall evergreen palm tree; common name: Mexican Washingtonia.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full direct sunlight; tolerates intense desert heat and reflected light
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Watering Water deeply, allow soil to dry completely between waterings; highly drought-tolerant once established
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Temperature Hardy to -5°C for short periods; thrives in warm, arid climates with low humidity
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Characteristics

  • Leaf: Large, fan-shaped, blue-green fronds with fibrous threads along margins
  • Trunk: Slender, ringed trunk with persistent dead fronds hanging like a skirt
  • Flower: Clusters of small, creamy-white, fragrant flowers on long drooping inflorescences
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Care Guide

Watering

Water deeply once weekly; increase frequency to twice weekly during extreme heatwaves

Fertilization

Apply slow-release granular palm fertilizer once. Avoid over-fertilizing, as it can cause frond tip burn

Eggshell powder top-dress:Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the base of the tree; water in lightly to avoid attracting pests
Pruning
  • Remove dead, brown fronds to reduce fire risk and improve visual appearance
  • Trim the hanging skirt of dead fronds if desired; avoid cutting healthy green fronds
  • Remove spent flower clusters to prevent unwanted self-seeding in managed landscapes
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse effects

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental landscape tree; provides shade in arid gardens; used in urban street planting