You may apply Princep with a hose end sprayer. Our concern is that the application will not as accurate as it would with a pump sprayer.
Princep is a pre-emergent herbicide only; it will not control the weeds that have already emerged in your yard. It is used before weeds emerge or after already emerged weeds have been removed.
Princep Liquid Herbicide is not labeled to be used around anything edible. We currently do not have a pre-emergent labeled to be used around raspberries. We recommend that you contact your local cooperative extension office and ask to speak to the master gardener on staff to receive more information on pre-emergent weed control around edible berries.
Princep Liquid Herbicide would not be recommended to be used over Asparagus. You can use a product like Monterey Vegetable and Ornamental Weeder. Which can safely be used over the top Asparagus.
Princep Liquid Herbicide is a pre-emergent that is safe to use on established turfgrass and ornamentals on the product label. If there were to be damage to existing plants, then you probably would have already noticed it by now. We always recommend reading the product label completely before applying herbicides to be sure it is safe and appropriate for your desired application. You should not use Princep Herbicide where you have planted or where you are planning to plant edible vegetation. If you are planning to re-seed or overseed an area where you have sprayed Princep Herbicide, then you generally must wait at least 6 months after application before seeding.
Princep Liquid Herbicide is a very cost effective product to use as a pre emergent for Crabgrass and other listed weeds. Be sure and make the application within 4 weeks of Crabgrass emergence in your area. You can also visit our Lawn Care Guide.
Princep Liquid Herbicide is not OMRI registered and is not labeled to be used around anything edible. We apologize but we do not currently carry a product labeled to be used around edible berry plants for pre-emergent weed control.
Princep Liquid Herbicide is only labeled to be applied to warm season grasses and would not be recommended on fescue. We do have many other pre-emergent herbicides that could be used instead depending on the type of weeds you are trying to prevent.
Princep Liquid Herbicide should not be used in aquatic areas or where runoff could enter waterways. Please visit our Aquatic Herbicides page for products that can be use near and in these areas.
The mixing ratio for Princep Liquid Herbicide is 0.75-1.5 fl. oz. per gallon of water.
Princep Liquid Herbicide is not labeld to be used on pastures where livestock will graze. The label states: Do not graze or feed turf clippings to animals or illegal residues may result. Please see our Range and Pasture Page for products that can be be used in pastures.
Yes, rain is okay after an application. Per the label for Princep Liquid Herbicide, the product needs to be watered in 1/2 inch no less than 10 days after the product has been applied.
Princep Liquid Herbicide should be watered in with either rainfall or irrigation within 10 days of application.
Yes, Princep Liquid Herbicide is mixed with water. It is only important to make sure you are using the correct amount of product per 1,000 sq ft of lawn. Use too much and you risk damaging your lawn, use too little and you will not get adequate results.
Unfortunately, Princep Liquid Herbicide is not labeled to be applied to Kentucky bluegrass and most likely would harm it.
Princep Liquid Herbicide is only labeled for use on warm season grasses not cool season grasses like KGB.
When using Princep Liquid Herbicide you will need to use 0.75-1.5 fl. oz./1,000 sq. ft depending on your target weed. Most folks use the higher usage rate.The first thing you need to know when using an herbicide such as Princep Herbicide is that the exact amount of water you dilute it with is not important. It is only important to make sure you are using the correct amount of product per 1,000 sq ft of lawn. Use too much and you risk damaging your lawn, use too little and you will not get adequate results. You will need to use 0.75-1.5 fl. oz per 1,000 sq ft . To decide how much water you want to use, you should mark a 1,000 sq ft area, fill your sprayer with WATER ONLY, and start walking and spraying just as if you were doing the actual application of herbicide. When you are done walking and spraying the 1,000 sq ft area note how much water it took you to spray that area, and that is the amount you will want to mix 0.75-1.5 fl. oz of product with for each 1,000 sq ft area that needs to be treated
Princep Liquid Herbicide is listed by the state of California as a restricted product and this we cannot ship it to that state. Tenacity is a similar product you may be interested in that can be shipped to California.
Princep Liquid Herbicide states on the product label: Do not seed or overseed with desirable turfgrass within 4 months before application. So you will need to wait at least 4 months after seeding to apply the product.
Yes, Princep Liquid Herbicide can be applied to in St. Augustinegrass, Bermudagrass, Centipedegrass, and Zoysiagrass. Please refer to the product label for mixing rates depending on state, and areas Princep Liquid Herbicide will be applied.
