Steve, how long do you wait after spraying Neem to spray the sulfur? I spray Neem on a regular weekly schedule, so if I have to wait a month to spray sulfur, that will be a long time to go without spraying for other problems.
For my garden, I've found that the mildew usually lets up by mid/late summer, when it gets drier and hotter around here. Ironically, the best weather for healthy plants occurs in Oct/Nov for me -- I have no fungus issues at all with plants started late in the season. But fruit production is way down with the diminished sunlight hours then.
Also, this mildew is an equal opportunity disease -- it affects both OP and hybrids in my garden. This is one of the reasons I haven't jumped on the grafting bandwagon yet. If grafted plants get this stuff just like regular plants, I don't know if grafting will be worth the effort for me.
Lyn
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