• I_like_cats
    link
    fedilink
    English
    arrow-up
    1
    ·
    8 months ago

    Is it in a humid area with low air flow? Powdery Mildew is tough to get rid of and very easy to spread. You can try diluted hydrogen peroxide spray, neem oil, fungicide, etc but getting rid of Powdery Mildew is an uphill battle.