Loriann from Tucson, Az writes
Baby Japanese Maples with gnat/flies setting up housekeeping in soil. Soil is a combo of Miracle Gro Garden and Kellog's Raised Garden Soil. Don't seem to be affecting the plant but they're a pain to work around. Would like to apply deterrent directly to soil to control.
Yes, Organocide 3 in 1 Garden Spray Concentrate can be used on soil directly. The mixing ratio is 2 fl oz per gallon of water.
Answer last updated on: 11/06/2016