Dennis from Savannah Tn writes
Last year I think I used to high of a ratio and scalded the canes. Thought it was something like 1/8 teaspoon per gallon.
Honor Guard PPZ Fungicide with 14.3% Propiconazole is mixed at 5-8 fl oz per 100 gallons for black spot on roses.
Answer last updated on: 03/25/2018
