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Unhealthy Mexican Fan Palm

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Thursday at 04:37 PM3 days

My palm has definitely seen better days. Can anyone please provide guidance as to the cause of and cure for its condition. No high winds or lightning strikes have occurred. Thanks in advance.

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Thursday at 11:04 PM2 days

@George N Welcome to PalmTalk! Looks like some kind of fungal rot or maybe a lethal disease like fusarium wilt or Lethal Bronzing. Another forum member may be able to narrow it down, but the future for that one doesn't look good.

Lakeland, FL: USDA Zone 2023: 10a 2012: 9b 1990: 9a | Record Low: 20F/-6.67C (Jan. 1985, Dec.1962)

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Thursday at 11:08 PM2 days

Author

Thank you for the information.

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8 hours ago8 hr

Here's my poor contribution to the topic. Last year we had only about 89 mm of rainfall during the whole 12 months before last autumn of 2025. All Washingtonia specimens resembling filifera, whether pure or hybrids displayed certain stress signs. Even mine. I come gradually to the conclusion those stress signs had been caused by drought because a carpet-like group of Chamaerops offshoots to the base of the Washingtonia was sucking dry the Washingtonia. Here is an old post https://www.palmtalk.org/forum/topic/91760-washingtonia-filifera-either-pure-or-filibusta-showing-stress-signs/#comment-1237332 And here is same plant today after a relatively good year in rainfall (113 mm so far). Of besides watering O had applied last year once a good so8l drenching with a systemic root fungicide (tolclofos-methyl) primarily against rhizoctonia.