Yes, you can use Grass Out Max to control invasive grasses around your Walnut, maple, and Oak trees. The best time to apply is when the grass is young and actively growing.
Grass Out Max will work best when plants are young, but actively growing. You can make applications usually starting around 60 degrees when the plants first start growing and continue to make applications until temps reach about 85 degrees but no higher or you can cause damage to desirable growth.
We do not recommend storing Grass Out Max or any other insecticide where there are extreme temperatures. Store products in cool, dry place for the most effective results. If it hs been frozen, we suggest getting fresh product.
Grass Out Max (Clethodim Herbicide) is a great choice for killing annual blue grass (poa annua) in ornamental beds as long as the non-target plants are well established. Per the product label, be sure to use a non-ionic surfactant with at least 80% active ingredient, although crop oil surfactants are not recommended around flowers to prevent sensitivity. Please review the product label before application. If you are only experiencing problems in planters, then you may need to examine whether weeds are coming up from the ground below them, in which case you should move and/or add a barrier under or inside the planters. Transplanting or changing the potting soil would also ensure no new growth of unwanted plants.
Yes, Grass Out Max (Clethodim Herbicide) can be used over ladino clover. It will not kill the clover, only the weeds in the area.
Yes, Grass Out Max can be used to control bermuda grass in flower beds.
Yes! Grass Out Max (Clethodim Herbicide) is designed specifically for killilng grassy weeds including fescue in ornamental areas without harming desirable shrubs and roses.
Grass Out Max is a non selective grass killer, meaning it will kill your KGB as well. A better option would be use Q4 for everything but the quackgrass and the poa annua. Unfortunately there is not an herbicide that would kill the quackgrass nor poa annua without damage cool season turf, such as Kentucky Bluegrass. If only a small area of the lawn is affected by the outbreak, spray only the affected area with RoundUp Quick Pro. If the problem amounts to no more than a few spears of quackgrass in an area of your lawn, paint the individual spears with diluted RoundUp QuickPro. Becareful to avoid getting the product on desirable grass. If most of the lawn has been affected by quackgrass, the only sure fire way to get rid of it is to spray the entire lawn with Roundup. Spray when the lawn is growing actively, preferably in the spring. The treatment will kill the lawn grass as well as the quackgrass. After about two weeks, you may begin the replanting.
Grass Out Max (Clethodim Herbicide) would not harm ground covers like Mondograss and Euonymous when used as directed on the product label. It is not labeled to kill zoysiagrass so we cannot recommend it for this use. Typically a glyphosate based product would be used to control it in these areas with care being taken to avoid contact with desirables.