Description
Prime Source Surmise® Pro is a non-selective, post-emergent herbicide containing glufosinate-ammonium for control of emerged annual and perennial broadleaf weeds, grasses, and certain woody species. It is a Group 10 herbicide with foliar activity and little to no soil residual, making it useful for site preparation, landscape maintenance, ornamentals, greenhouse use, industrial sites, and vegetation management. Visual injury typically appears within 2–4 days, and the product is rainfast in as little as 30 minutes to 4 hours depending on conditions.