In such cases the weeps consist of small-diameter plastic, clay or metal pipes extending through the wall to a layer of porous backfill. Typically, weeps are arranged to direct water which may have entered an assembly from outside back to the outside.
A few of several safe household chemicals to use are vinegar, dishwashing soap and rubbing alcohol, according to an Oregon State University Extension Service publication called Using Home Remedies to Control Garden Pests, (EC 1586). The publication, complete with photos, is available free of charge online.
It also rinses off some of the honeydew. Spray the plant every day until the plant is aphid free. Grow plants for a homemade aphid control. Plants such as the following are attractive to aphids and good for organic aphid control.Growing these far from other garden plants will lure aphids away and keep the garden aphid-free. 1  Nasturtium. 2  Aster. 3  Mum.t also rinses off some of the honeydew. Spray the plant every day until the plant is aphid free. Grow plants for a homemade aphid control. Plants such as the following are attractive to aphids and good for organic aphid control.