Prowl H20 Herbicide (pendimethalin), EPA # 241-418, READ THELABEL
Prowl H20 provides pre-emergence, residual control of annual grasses, and control or suppression of some annual broadleaf weeds in bearing and non-bearing vineyards. Apply 3.2 to 6.3 quarts per acre surface sprayed, either in a single application or sequentially with an interval of 30 days or more, with a maximum of 6.3 quarts per acre surface sprayed per season. For newly transplanted and one year grapevines, apply only when vines are dormant. Prowl H20 can be tank mixed with other pre- and post-emergence herbicides registered for use in grapes when following all product label restrictions.24 hour reentry interval, 90 days to harvest.