It does not kill the eggs and a second application may be needed when they hatch. March always brings out numerous worms looking for a tender plant to feed on until it is time for it to change into a butterfly. Dipel is one of the best controls for worms on plants. It is nontoxic and can be used on all vegetables. However, it is always advisable to wash vegetables or fruit before you eat them.
Aphids are everywhere on new growth.
Malathion will also kill this pest. Azaleas are in full flower in many places. Now is the time to visit a nursery and pick the colors you want in your landscape. Azaleas can be planted when they are in flower. As I have suggested before, always add a small amount of fertilizer in the hole before setting the plant.