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Preen Lawn Weed Control Plus Crabgrass Preventer

Preen Lawn Weed Control Plus Crabgrass Preventer is rated 4.5294 out of 5 by 17.
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Preen Lawn Weed Control Plus Crabgrass Preventer provides up to 5 months of weed control.  This product kills over 200 broadleaf weeds like dandelions, clover, ground ivy, thistle, and chickweed, and prevents crabgrass and other undesirable annual grassy weeds.

Formulated to be effective with cool and warm season grasses, Preen Lawn Weed Control Plus Crabgrass Preventer can be applied in spring or fall.

  • Cool season grasses: Kentucky bluegrass, perennial ryegrass and fine and tall fescue.
  • Warm season grasses: Bahaigrass, Bermudagrass, buffalograss, centipedegrass, zoysiagrass, St. Augustinegrass (except ‘Floratam’).
  • Do not use this product on seedling buffalograss in the spring of the first year of establishment until the turfgrass is fully green and has established new roots.

Where to buy · View product label (PDF)

Application

When to apply

Apply Preen Lawn Weed Control Plus Crabgrass Preventer in spring or fall when grass and weeds are actively growing and the soil is moist.  Do not apply under drought conditions.

In spring, the best time to apply is when forsythia is in bloom or when dandelion flowers appear. In southern states, make a second application of Preen Lawn Weed Control Plus Crabgrass Preventer 6 to 8 weeks after the first for the best control.

In fall, apply when the weather cools, but grass and weeds are still actively growing, usually around Labor Day.

How to apply

Apply Preen Lawn Weed Control Plus Crabgrass Preventer when the grass is wet from dew or rain. Preen Lawn Weed Control Plus Crabgrass Preventer will not work well if applied to dry lawns.

Apply Preen Lawn Weed Control Plus Crabgrass Preventer when wind is calm and there is no threat of rain for 24 hours. Delay mowing for 3 days after application.

Use a drop or rotary spreader designed to apply granular fertilizers.

Applying Around Not Well-Established Turfgrasses

Use of Preen Lawn Weed Control Plus Crabgrass Preventer on lawns and ornamental turfgrasses that are not well-established, or have been weakened by stress due to mechanical operations, pests, excessive temperatures, or lack of moisture, may increase the chances of turfgrass injury. It is advised that you do not apply this product to lawns or turfgrasses that are under stress.

If the lawn has been seeded recently, wait until after the third mowing before using this product.  Do not seed or overseed the treated area for 10 weeks after application.

This is not the product label. Always read and follow directions on the product label. Use only as directed.

Weeds Controlled

Available Sizes

Rated 5 out of 5 by from Nervous but it seems to be doing its job This was the first season trying out the lawn product. Was worried it would knock out more than weeds or something. So far so good. It's clear there a real a lot less weeds and crabgrass. Looking good!
Date published: 2015-07-29
Rated 5 out of 5 by from Saves work I used this product on the lawn of a relative who cannot do much yard work in the Spring. It saved him having to pay a yard service for the entire summer. His lawn looks really nice.
Date published: 2014-10-05
Rated 4 out of 5 by from Killed what it was suppose to only I bought this halfway thro the summer & I did exactly what it was suppose to & I didn't have anymore issues with crabgrass
Date published: 2014-10-05
Rated 5 out of 5 by from My dog even hates the crabgrass! The crabgrass has just taken over this year, I don't know if it is due to the California drought or what. I used the Preen Lawn Weed Control plus crabgrass as directed and my lawn has gone through a miraculous change. I now enjoy walking on my lawn and my pooch is having a field day. Thank you Preen!
Date published: 2014-10-02
Rated 5 out of 5 by from Works great! We have transformed our yard over the last few years and Preen has been crucial to keeping the crabgrass under control. Great product!
Date published: 2014-10-02
Rated 5 out of 5 by from Good Stuff Used this product and it worked well. Crabgrass is GONE!
Date published: 2014-10-02
Rated 5 out of 5 by from Nice Job We bought a new home this year and the lawn was awful! We used the Preen Weed Control plus Crabgrass and it really did a nice job making our lawn look better.
Date published: 2014-09-29
Rated 4 out of 5 by from Good It helped prevent weeds and kept my lawn green. It is also affordable and readily available in my town.
Date published: 2014-09-28
  • 2015-09-04T08:29CST
  • bvseo_cps, prod_bvrr, vn_cps_3.1.6
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_17
  • loc_en_US, sid_VARIANT0085, PRD, sort_mostRecent
  • clientName_preen
  • bvseo_sdk, net_sdk, 2.2.0.2
  • getReviews, method:CLOUD, 31ms
  • REVIEWS, PRODUCT