Both last year and this year in March(ish) my young Tamarillo started getting a mound, first on the bottom leaves then working up to the top. It looks powdery. Any ideas why? Is this common at this time of year? The only thing I can think of is I have not watered it much over summer, as I know this happens with dry pumpkins...I don't use non-organic sprays in general unless its dire straights so any organic ideas would be welcome.
Cheers
Laine
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