Bicarb works, but I'm never sure if i overdid it. I'm a firm believer in milk and water as a spray. It doesn't seem to matter of it's skimmed milk or whole milk. 50/50 with water, weekly or after rain. Has even beaten the mildew on lupins, my worst sufferer here in the PNW.
Bicarb works, but I'm never sure if i overdid it. I'm a firm believer in milk and water as a spray. It doesn't seem to matter of it's skimmed milk or whole milk. 50/50 with water, weekly or after rain. Has even beaten the mildew on lupins, my worst sufferer here in the PNW.