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Heather from Rotonda West, Fl writes
Merit 2F vs. Bayer Advanced 12 Month Tree/Shrub Insect Control, how long does Merit 2F last as a soil drench?
Answer:
Merit 2F Insecticide can typically last 1 year but some users apply twice in a year as a soil drench to plants/trees. It depends on the growth of the plants/trees you are applying to.  Bayer Advanced 12 Month Tree/Shrub Insect Control contains the same active ingredient but is consumer grade so not as strong as Merit which is professional grade.
Answer last updated on: 04/03/2020
