Safer’s Insecticidal Soap is A totally safe and natural product proven to solve insect problems. It will control a variety of insects including aphids, mealy bugs, spider mites, softcale, psyllids, rose or pear slugs (sawfly larvae) and earwigs. Safer’s Insecticidal Soap can be used on houseplants, roses, flowers, vegetables, fruits, ornamentals, shrubs, trees or greenhouse plantings. When using, spray it directly onto the insects when they are first sighted on buds, shoots, stems, bark and the underside of leaves. It should be applied weekly for 2 to 3 weeks. The concentrate is mixed with water at a ratio of 1:50. The 500ml bottle when mixed with water will make 25ltrs of insecticidal soap spray.