OP … For Buttercups … It’s too late. They must be sprayed early Spring, before the plant flowers. Next years problem is already formed. 2,4-D with a surfactant works well on Buttercups.
OP … For Buttercups … It’s too late. They must be sprayed early Spring, before the plant flowers. Next years problem is already formed. 2,4-D with a surfactant works well on Buttercups.