After the sun goes down & the plant has cooled off................mix up 2 tablespoons DAWN & 1 qt water and spray good get under flowers & leaves......................spray again if it rains...................bugs do not like soapy water.................are you sure it not deer...............if it is deer add 2 drops hot sauce.............Happy summer................it won't kill them but they will move on to something else...............I just went outside the other day to cut off some sedum and move it..............thousands of tiny ants.............went back inside............made up a big container of dawn & water.................and dumped it in the cement container, checked the next day.................ants when someplace else.............