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Essex, United Kingdom Gb

My dwarf fan chamaerops humillis has some powdery grey substance on the stem. I am worried this could be powedery mildew - what is the best course of action, or is there any need to be concerned?


On plant Chamaerops humilis


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First, is the plant growing in a pot which has good drainage? Is it in a "crowded" spot with lots of other plants round it, some of which also have mildew? If it is, move to a more open position to increase air flow round the plant. Unusual to get mildew on these, more likely to get scale or mealy bug, but I suppose its possible - might be worth spraying with a suitable fungicide for mildew, but make sure by reading the bottle that Chamaerops is not listed as unsuitable for its use.

7 Jul, 2010

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