Preen Garden Weed Preventer: Blocks weeds for 3 months. Guaranteed
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Prevents crabgrass and other common lawn weeds for up to four months and kills seedling crabgrass for up to four weeks after it germinates. Apply later in spring for season-long lawn weed control.
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Covers 5000 sq. ft.
3 easy steps to a weed-free lawn.
Using a drop or rotary spreader designed to apply granular fertilizers, apply product evenly.
Avoid mowing the turfgrass area for a few days after applying the product.
Ensure the product is activated by rainfall or water in within 30 days of application.
Watch, learn, then try for yourself
Preen Lawn Crabgrass Control should be applied in the spring or fall prior to weed seed germination for control of weeds in established yards. For the ultimate in season-long weed control, apply in the fall with a sequential or second application the following spring. If the product is applied in the fall, do not reseed, overseed, or sprig turfgrasses within 12 weeks after application.
To optimize product performance, apply this product within a few days after mowing and delay mowing again for a few days after the application. Apply evenly and uniformly over the turfgrass area, avoiding streaking, skips, or overlaps. Weed control will be most effective when Preen Lawn Crabgrass Control is activated by rainfall or irrigation. Performance is improved if application is followed by ½ inch of rainfall or irrigation. Erratic weed control may result if not activated by rainfall or irrigation within 30 days after application.
Use of Preen Lawn Crabgrass Control on lawns and ornamental turfgrasses that are not well-established or have been weakened by stress may increase the chances of turfgrass injury. Stresses include injury due to mechanical operations, pests, excessive temperatures, or lack of moisture. Do not apply this product to lawns or turfgrasses that are under stress.
Preen® Guarantee: To the extent consistent with applicable law, Lebanon Seaboard Corporation guarantees you will be satisfied with the performance of Preen® products when used as directed, or your money back. If not satisfied, describe the nature of your problem, and send with proof of purchase to:
Lebanon Seaboard Corporation
1600 East Cumberland St.
Lebanon, Pa 17042
What is the active ingredient in Preen Lawn Crabgrass Control?
.19% Dithiopyr (Dimension)
What are the other ingredients in Preen Lawn Crabgrass Control?
The carrier agent/particle for the active ingredient which can be corn cob, limestone, etc.
How does Pre and Post Emergent Crabgrass control work?
Preen Lawn Crabgrass Control provides pre-emergence control of crabgrass and control or suppression of other listed weeds when applied prior to their germination. In addition, this product provides postemergence control of seedling crabgrass after germination and emergence. Postemergence control is limited to crabgrass only, but is effective up to 4 weeks after crabgrass has germinated. This generally corresponds to the time when crabgrass seedlings first become visible in established turfgrass. Do not apply this product later than 4 weeks after crabgrass germination.
Which weeds are controlled by Preen Lawn Crabgrass Control?
Prevents crabgrass and 40+ common lawn weeds. See Use Directions for complete list of weeds controlled.
How long does Preen Lawn Crabgrass Control prevent weed seeds from germinating?
Preen Lawn Crabgrass Control will provide up to 4 months of crabgrass control when applied according to label directions. The actual length of control will vary depending on use rate, weather conditions, condition of the turfgrass, intensity of weed pressure, and the location or "Region" within the United States where this product is being applied.
Will this product kill up and actively growing crabgrass?
Preen Lawn Crabgrass Control provides postemergence control of seedling crabgrass after germination and emergence. Postemergence control is limited however, to crabgrass only, and is effective up to 4 weeks after crabgrass has germinated. If the crabgrass is more well established (beyond 4 weeks growth, early tiller stage) this product will NOT kill the crabgrass.
Augustinegrass (Saint) Stenotaphrum secundatum
Bahiagrass Paspalum notatum
Bluegrass (Kentucky) Poa pratensis
Creeping bentgrass Agrostis stolonifera
Ryegrass (Perennial) Lolium perenne
Preen One Lawncare
ONE-derful lawns start here. Block crabgrass, kill weeds, and feed your lawn in ONE application.