Time to act:
Jan, Feb, Jun, Jul, Aug, Sep, Oct, Nov, Dec
The white powdery coating on a curcubit's leaves is made up of spreading fungal spores. This affects the plant's performance, with growth, flowering and fruiting all being adversely affected. In extreme cases, the mildew can lead to dieback and even kill a plant. Since there are separate fungal species that affect different plants, an attack on your curcubits won't lead to a garden epidemic. Powdery mildew and powdery mildew on roses are similar problems, with similar solutions.
The first sign of mildew is a white powdery coating on the leaves that, if left, leads to a distorted, stunted plant, an inedible crop and even dieback.
Find it on
marrows, courgettes, pumpkins, squash