Amanda from Nm writes
Yes, Fertilome Liquid Systemic Fungicide II can be used on lilacs. You will apply directly to the affected area, including the leaves of the plant. The point of runoff would be where the leaves are saturated and the product can be seen running off the leaves. The mixing ratio is 1 to 2 tablespoons per gallon of water.
Answer last updated on: 09/17/2015