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Brown Spots


swayland
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My small Areca macrocalyx var. Marie and a larger Carpoxylon have recently started showing brown spots on some of the older fronds. What could be the cause of this and how can it be treated?

 

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Not so sure about these. Could be several causes: fungal infection, sunburn, cold damage. Areca macrocalyx is extremely cold sensitive.

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

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Sucking insects.  You will have to spray but there are safe options like DE and Neem oil.  I find these tend to be a problem with plants that are either stressed or don't get much rain and weather on the leaves.    Good luck.

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