Weed And Feed Plant. The key to applying weed and feed is timing, where a spring application should ideally be applied in late april/ early may and then again, if necessary, in september. Preen garden weed preventer plus plant food and preen southern weed preventer plus plant food prevent broadleaf and grassy weeds while feeding flowers, trees and shrubs.
Light, air, water, and soil are the four major elements that go into gardening. Weed & feed fertilizer, as it’s called, brings not only lawn fertilizer but weed killer as well, essentially knocking out two birds with one stone. The key to applying weed and feed is timing, where a spring application should ideally be applied in late april/ early may and then again, if necessary, in september.