Ideal Temperature for Mexican fan palm

Images of Mexican fan palm

Mexican fan palm(Washingtonia robusta)

Signs of Cold Stress in Mexican fan palm

Symptoms

Mexican fan palm thrives in warmth and cannot withstand cold. Optimal growth occurs above 77℉. In winter, maintain temperatures above 50℉. Below 32℉, leaves may lose color. Post-frost, they progressively turn brown or black, exhibiting wilting and drooping.

Solutions

Remove frost-damaged sections. Promptly relocate indoors to a warm area for protection. Position the plant near a south-facing window for sufficient light. Avoid placing near heating or AC vents to prevent air dryness.

Signs of Heat Stress in Mexican fan palm

Symptoms

In summer, Mexican fan palm should remain below 86℉. Temperatures exceeding 95℉ cause leaves to lighten and increase susceptibility to sunburn.

Solutions

Remove sun-scorched and desiccated portions. Relocate the plant to a spot offering shade from intense midday and afternoon sun. Water the plant in the morning and evening to maintain soil moisture.

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