Greg from North Little Rock, Ar writes
Do you apply when lilly pads are dormant or in the spring and summer while in full bloom
Roundup Custom Aquatic Terrestial Herbicide should be applied to actively growing listed applications for the best results. It does not leave any residual in the soil after it is applied, therefore the regrowth depends on the weed, weather conditions, and germination time frame. Dormancy during cooler seasons could prevent the weed from growing as fast as it would in the warmer months.
Answer last updated on: 10/21/2018
