When is the best time to apply a broadleaf herbicide to the lawn?
Fall (late September to early November) is the best time to control dandelions and most other perennial broadleaf weeds. During fall, perennial weeds move carbohydrates down to their root systems. If a broadleaf herbicide is applied at this time, the herbicide will be absorbed by the weed’s foliage and moved to its roots along with the carbohydrates. This results in excellent broadleaf weed control. The most commonly used broadleaf herbicides include 2,4-D, MCPP, dicamba and triclopyr. Most broadleaf herbicide products available at garden centers contain a mixture of two or three of these compounds. Broadleaf herbicides can be applied as liquids or granules. Before applying any pesticide, carefully read and follow label directions. My crabapple has been losing leaves since early summer. Why? Apple scab is the likely cause of the premature leaf drop. Apple scab develops on susceptible crabapple varieties during rainy spring weather. Scab appears on the leaves as roughly circular, velvet
