There is no sign of mildew in our Garden. We try to have people water in the morning if possible, as there’s more water lost to heat and evaporation mid-day, and water in the evening can linger on the leaves overnight, which can result in mildew.
I checked the sunflower leaves, which last week were getting eaten badly. They looked about the same to me, and new leaves had little munching upon. So maybe applying potassium bicarbonate did give the leaves enough of a different taste to whatever was eating them. Or maybe they just moved on for other reasons. Or maybe the planted adapted by changing it’s own chemistry. So many possibilities; it’s hard to know what works.
Unfortunately, I didn’t make arrangements with the person who has the sprayer, and he was on vacation today, so I didn’t apply any potassium bicarbonate today.
