Poa Annua germinates primarily in the fall each year so you would want to use a pre emergent herbicide in the fall to help keep it from coming up the following year. Hi Yield Weed & Grass Stopper with Dimension is a fantastic product and one of many we carry that would do a great job for you. It can be hard to get rid of poa annua in lawns with a post emergent depending on what kind of turfgrass you may have. If you want to let us know what turf you have we can see if we have a post emergent product that would work for you.
Hi-Yield Weed and Grass Stopper with Dimension contains dimension pre-emergent which provides superior control of crabgrass as well as control or suppression of other listed weeds when applied before they germinate. This product will also provide post-emergent control of crabgrass only and is effective on crabgrass up to 4 to weeks after it has germinated and emerged.
Hi-Yield Crabgrass Weed Control is a pre-emergent only and must be applied before crabgrass weeds germinate and emerge from the soil.
Which herbicide is better will depend on the target weeds. Hi-Yield Weed and Grass Stopper with Dimension is used primarily to target crabgrass and other grassy weeds, although it is labeled to prevent some broadleaf weeds. Fertilome with Gallery will target broadleaf weeds only, albeit a more comprehensive list than those the Dimension will cover. Since these are different active ingredients, it is also possible to use both products if you need to do so to cover all the weeds you are needing to control.
No, Hi-Yield Weed and Grass Stopper with Dimension Herbicide cannot be used in gardens and/or other ornamentals. This product is labeled for use on of your lawn to prevent weeds.
Yes, Hi-Yield Weed and Grass Stopper with Dimension Herbicide is labeled to treat annual bluegrass/poa annua.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide is indeed safe to use on Zoysia grass when used as directed on the product label.
Yes, Hi-Yield Weed and Grass Stopper with Dimension Herbicide is labeled for use in ornamental landscapes, established lawns, and ornamental turf. You can safely use this product around bushes and trees.
The Hi-Yield Weed and Grass Stopper with Dimension Herbicide is not safe to be used in vegetable gardens and is not labeled for that use. We would not recommend planting tomatoes there or consuming any that were treated by mistake. If you are looking to prevent weed growth in an area where edibles are planted, you would want to use Monterey Vegetable and Ornamental Weeder.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide can be applied once every 2-3 months at 2.4lbs/1,000 sq ft, once every 3-4 months at 3.2lbs/1,000 sq ft or 4-9.2 lbs/1,000 sq ft for early post emergent control in the north. Do not apply more than 9.2 lb/ 1,000 sq. ft. per application and no more than 27.6 lbs/1000 sq. ft. per year (equivalent to 0.5 and 1.5 lb of active ingredient (ai) per acre, respectively) per product label instructions.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide would not harm bees or other beneficial insects when used as directed on the product label.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide should be applied to cooler season grasses mid August to late September and then again in mid April to mid May.
Per the product label on Hi-Yield Weed and Grass Stopper with DImension Herbicide, for best results, apply this product within a few days of mowing or delay mowing again for a few days after application.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide should be applied in mid February to early March when soil temperatures are above 55 degrees Fahrenheit.
Also, please check out our Warm Season Lawn Guide. There are excellent tips on how and when to use the various products for your lawn.
The herbicide in Hi-Yield Weed and Grass Stopper with Dimension Herbicide is only a pre-emergent product that prevents weeds from germinating. It will not kill any actively growing weeds. If you are dealing with grassy weeds, Bonide Grass Beater Over the Top would be great to use. Otherwise Lontrel is great for broadleaf.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide is indeed safe to use on zoysia grass when used as directed on the product label.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide should not be applied around roses.
We apologize for any confusion. The Hi-Yield Weed and Grass Stopper with Dimension must be activated with irrigation or rainfall to be effective. If there are children or pets in the area, then it is best to water in the product immediately after application. Per the product label: Performance is improved if application is followed by 1/2 inch of rainfall or sprinkler irrigation. Erratic weed control may result if not activated by rainfall or irrigation within 30 days after application.
After applying Hi-Yield Weed and Grass Stopper with Dimension Herbicide you want to wait about 4 months to replant.