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What is causing Palm trunk to turn black?

dscully3

By dscully3
in DISCUSSING PALM TREES WORLDWIDE

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dscully3 Newbie

dscully3

Posted
Posted

 Anyone have an idea what's causing this and what to do about it

16706075980695471186335156622860.jpg

aztropic Grand Master

aztropic

Posted
Posted

Usually,the black is a sign of wet conditions. Frequent rains,or a lawn sprinkler wetting the trunk could be the cause. Old frond boots already look pretty rotted due to constant moisture. Might want to consider getting the trunk 'skinned' for a fresh look to the palm.

 

aztropic

Mesa, Arizona 

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Mesa, Arizona

 

Temps between 29F and 115F each year

kinzyjr Grand Master

kinzyjr

Posted
Posted
4 hours ago, dscully3 said:

 Anyone have an idea what's causing this and what to do about it

Welcome to PalmTalk. 

I agree with @aztropic

Here in Florida, that will happen over time after the palms are trimmed.  If it was a watery black spot, then it might be time to worry or remove the palm.

Lakeland, FL

USDA Zone 1990: 9a  2012: 9b  2023: 10a | Sunset Zone: 26 | Record Low: 20F/-6.67C (Jan. 1985, Dec.1962) | Record Low USDA Zone: 9a

30-Year Avg. Low: 30F | 30-year Min: 24F

Jim in Los Altos Grand Master

Jim in Los Altos

Posted
Posted

Looks like what lots of non-self shedding palms trunks look like in moist conditions as the old stem bases rot away. Totally normal. Very common on Phoenix genus. 

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Jim in Los Altos, CA  SF Bay Area 37.34N- 122.13W- 190' above sea level

zone 10a/9b

sunset zone 16

300+ palms, 90+ species in the ground

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DoomsDave Grand Master

DoomsDave

Posted
Posted
2 hours ago, Jim in Los Altos said:

Looks like what lots of non-self shedding palms trunks look like in moist conditions as the old stem bases rot away. Totally normal. Very common on Phoenix genus. 

Moist conditions! Such a concept!

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Tomas Proficient

Tomas

Posted
Posted

If you live in the northern hemisfere, it should face North

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