You can reapply Hi-Yield Weed and Grass Stopper with Dimension for extended control as long as you are not exceeding the maximum rates of 9.2 lbs per 1,000 sq ft per application and 27.6 lbs per 1,000 square feet per year. If you have existing weeds that you need to kill, then we would need to know the specific weeds you are targeting to make a recommendation for post-emergent activity. You can see more tips in our Lawn Care Guides here.
Yes, Hi Yield Weed and Grass Stopper with Dimension does need to be watered in with at least 1/2 inch of irrigation or rainfall after application in order to to activate the granules and get the product into the soil.
Yes, Hi-Yield Weed and Grass Stopper with Dimension Herbicide provides pre-emergent control of Crabgrass and will controlof other listed weeds when applied prior to their germination. In newly established lawns of Kentucky Bluegrass, Perennial Ryegrass and/or Tall Fescue, this product may be applied two weeks after the first sign of germination. You can view our Cool Season Lawn Care Guide here or contact your local extension office for the best time to apply the product in your region.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide can be applied to St. Augustine lawns. It is not specifically labeled for Floratam species. With this being a sensitive turfgrass, we suggest discussing product applications with the Master Gardener at your local cooperative extension office.
Per the Hi Yield Weed and Grass Stopper with Dimension Herbicide Product Label: This product should be applied only to lawns and turfgrasses that are well established. For newly established lawns, initial application of this product should be made only after turfgrasses have developed a vigorous root system, uniform stand, and received at least two mowings following seeding, sodding, or sprigging. Exception: In newly established lawns of Kentucky Bluegrass, Perennial Ryegrass and/or Tall Fescue, this product may be applied two weeks after the first sign of germination.
Reseeding, Overseeding, or Sprigging Reseeding, overseeding, or sprigging of areas treated with this product within 10 weeks after a single application of this product or within 16 weeks after a split application program totaling 9.2 lb./1,000 sq. ft. (0.5 lb. active ingredient (ai) per acre) or more may inhibit the establishment of desirable turfgrasses. When reseeding or overseeding, follow proper cultural practices for seedbed preparation, seedling, irrigation and fertilization.
Yes Hi-Yield Turf & Ornamental Weed and Grass Stopper will stop sandburs from coming up. It will not kill what it already there.
Yes Hi-Yield Weed and Grass Stopper with Dimension Herbicide is labeled for Poa Annua aka annual bluegrass. Late summer application is most likely the end of august. Please contact the Master Gardener at your Local Cooperative Extension Office just to verify the application schedule.
After applying Hi-Yield Weed and Grass Stopper with Dimension Herbicide you want to wait about 4 months to replant.
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. Just do not apply this product directly to bare roots of ornamental plants as injury may result.
When using Hi-Yield Weed and Grass Stopper with Dimension, you can either do more frequent applications using less product, or you can use higher rates and apply less frequently. There is an annual maximum rate that you can use, however, so if you are still needing additional weed control, then you may need to alternate with a different pre-emergent product. There is a maximum single application rate of 9.2 lbs per 1000 sq ft, and an annual maximum of 27.6 lbs per 1000 sq ft per year. The 4-4.7 lb rate will give you 3-4 months of control, so if you used that rate 3-4 times annually then you would still be within the annual range.
Keep in mind that not all weeds can be controlled with Dimension, and not all plants can be controlled with any pre-emergent herbicide. So for the best treatment plan, be sure you have identified all the target weeds so you can have a comprehensive treatment plant. Let us know if you need further assistance!
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.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide is generally applied in spring and fall depending on your region and what weeds you are targeting. Per the product label: Do not apply more than 9.2 lb of this product per 1,000 sq. ft. per application and no more than 27.6 lb of this product/1000 sq. ft. per year (equivalent to 0.5 and 1.5 lb of active ingredient (ai) per acre, respectively). It would be a good idea to contact your local cooperative extension office for advice on the best times to apply in your area.
Ferti-Lome Winterizer and Weed Preventer II For Southern Grasses already contains dithiopyr which is the active ingredient in Hi-Yield Weed and Grass Stopper with Dimension Herbicide. There is no reason or benefit to using both so you would just use the Winterizer for the added benefit of the nutrients.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide is safe to apply to ryegrass.
Hi-Yield Weed and Grass Stopper with Dimension Herbicide does not harm anything actively growing. It is used only to prevent the listed weeds from growing in the applied area.
Yes Hi-Yield Weed and Grass Stopper with Dimension Herbicide is labeled for Knotweed (aka smartweed, lady's thumb).
The turf herbicide and fertilizer components in Hi-Yield Weed and Grass Stopper with Dimension Herbicide are not effective until activated by rainfall or irrigation. 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. It is best to water in within 24 hours.
Hi-Yield Turf & Ornamental Weed and Grass Stopper 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 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. A weed and feed product is fertilizer with either a pre-emergent or a post emergent mixed in with it.
Yes, Hi-Yield Weed and Grass Stopper with Dimension Herbicide is labeled to prevent sandbur.
