Bastard aphids. 01 Hard spray with jet on garden hose Blast the little bastards off! 02 Insecticidal Soap 03 Horticultural Oil 04 Neem Oil Any plants you keep overwinter; make sure to spray them with Neem Oil both in the fall after it’s lost most of its leaves, and again in the spring right when it starts to bud. 05 Malathion 06 Systemics Acetamiprod and Imidocloprid. Soil based and absorbed into the plant.