How soon after application with Defender Glyphosate 360 Weed Control will the weeds die?
It depends on the time of year and on the type of weed. Spring and autumn are the best times to apply it. Some weeds with wither within a day or two. Others will look perfectly healthy for two to three weeks before they brown out and die completely. Some hard-to-kill weeds need special treatment or will need follow-up applications.