20+ Natural Aphid Spray US. .homemade sprays have proven very effective in controlling aphid infestations: To make a garlic aphid killer, put 100 g of crushed garlic cloves in 1 gallon of water and leave that for 24.
An aphid removal spray can be made using leaves from rhubarb or elderberry, or nasturtium seeds.
Make sure to thoroughly spray the underside of the leaves as well. Aphid natural lemongrass spray these pictures of this page are about:natural aphid spray. The potato aphid is a common brown aphid. Make a homemade aphid spray by mixing a few tablespoons of a pure liquid soap (such as castile) in.