Drive XLR8 should be applied when crabgrass is actively growing and temperatures are between 65 and 85 degrees. For best results, a methylated seed oil surfactant ike Duo Stick should be tank mixed for better coverage and faster burndown of weeds. The product label states for consistent results, make Drive XLR8 application to newly germinated, to 1-tiller crabgrass, and when crabgrass has matured to 5 tillers or greater. Repeat application may be needed 21 days following the initial application.
Drive XLR8 is not labeled to treat for Sandburs. The best method of treatment for Sandburs is with a pre-emergent before the Sandburs germinate. A good option for a pre-emergent would be Surflan AS Herbicide but please refer to the product label to be sure it's safe for the type of grass you have. You can check Ferti-Lome Weed Out with Crabgrass Killer, it is labeled for Goathead which is another name for Sandbur, please refer to the product label to be sure it's safe for the type of grass you have.
Drive XLR8 Herbicide Crabgrass Killer is designed to treat crabgrass and other listed weeds, primarily in approved turf areas. The product label does not list mazus ground cover as a tolerant species of plant. However, since this product does kill a variety of broadleaf weeds, it may injure your groundcover. You may want to contact a master gardener in your area through your Cooperative Extension Service if you are having trouble finding an herbicide that will meet your needs.
Drive XLR8 Herbicide Crabgrass Killer is not specifically labeled for creeping charlie. We do carry products that are effective for eradication. Please check out Ferti-Lome Weed Out with Crabgrass Killer. It is labeled for established cool and warm season lawns. Please refer to the product label for specific mixing and application instructions for your turfgrass.
The Drive XLR8 Label does not specifically mention Big Bluestem grass or Indian grass on the label whether it be as a target pest or as a tolerant species to the product. From the links below from the USDA NRCS it states that those grasses are tolerant to most broadleaf herbicides and should not be harmed if product directions are followed and applied accurately. That being said, you can follow the link below to the USDA Service Center Locator to speak with your local conservationist in your region on what works bests in your area and what products they may recommend.
Big Bluestem Grass
http://plants.usda.gov/factsheet/pdf/fs_ange.pdf
Indian grass
http://plants.usda.gov/factsheet/pdf/fs_sonu2.pdf
USDA Service Center Locator
No, Drive XLR8 Herbicide is not labeled for fountain grass. We would recommend either manually removing the invasive grass or using a glyphosate product such as Roundup QuikPro.
You would dilute approx. Drive XLR8 Herbicide Crabgrass Killer per 14 gallons water. You would add into that approx. 8 tsp. of surfactant.
Yes, Drive XLR8 Herbicide can safely be used on your Kentucky luegrass/rye/fescue lawn. Please see the product label for complete application instructions.
Drive XLR8 Herbicide Crabgrass Killer will not damage bamboo.
Drive XLR8 Herbicide Crabgrass Killer cannot be shipped to NY. This is a decision by the state and/or the manufacturer.
How soon you can apply Drive XLR8 Herbicide Crabgrass Killer after seeding depends on the lawn species you planted. It appears Eco Lawn is a blend of fine fescues and the Drive XLR8 label states to not apply within 4 weeks after seedling emergence of this type of grass. You should wait until the grass is well established and has been mowed at least twice before applying Drive XLR8.
Drive XLR8 Herbicide Crabgrass Killer is applied at 1.45 fl oz per gallon of water. The mixing ratio of DyneAmic Surfactant is 1-2 teaspoons of per gallon of water.