NEW! Preen Extended Control Weed Preventer is the longest-lasting Preen yet.

Free yourself from weeding.

Apply just once around more than 600 perennials, ground covers, shrubs and trees as listed on the product label to block weeds* for 6 months - guaranteed!

  • Stops weeds from growing before they start
  • Prevents dandelions and 125 other grassy and broadleaf weeds*
  • Flip open the lid and shake to evenly apply

Available Now

Available at these quality retailers:

Farm & Fleet


Buy Preen Extended Control Weed Preventer now.

(Not Available in Stores)

Learn more about Preen Extended Control Weed Preventer.

Plan ahead so you can enjoy the important things in life!

Weed-free as easy as 1, 2, 3.

Apply Preen Extended Control Weed Preventer in the spring for weed control that lasts up to six months—guaranteed! One application blocks dandelions, crabgrass, clover, henbit, spurge, oxalis and many other pesky weeds.*

Water the treated area to activate the protective weed barrier. For maximum effectiveness, use on top of mulched area.

Preen's jug-handled bottle has a flip-top applicator cap that makes applying it a breeze. Just flip it open and it's ready to use. No mixing, no measuring, no mess.

Tilt the bottle and start shaking to evenly distribute the granules. For use around 600 plants in perennial flower beds; around groundcovers, trees and shrubs; and in xeriscape settings and rock gardens.

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