Jb from Upstate South Carolina writes
Monterey Crab-E-Rad Plus states that it can safely be applied to both cool and warm season grass. However, the product label states warm season grasses such as common bermuda and zoysia may see temporary discoloration. Do not apply during growth stages from dormancy to green-up and from green-up to dormancy.
Answer last updated on: 10/15/2018