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Avatar for birdgirl44
Apr 10, 2018 1:32 PM CST
Thread OP
Will preen and feed be effective over mulch that is not very thick. I would be able to work it in with a hoe. We have used it for many years, but never over mulch. LOVE Preen..I have many flower gardens... and no weeds. But started using some mulch to save me some hoeing.
Apr 10, 2018 2:03 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Preen works by preventing weeds from growing roots so it must be in the soil (That's why the label says water). So if you can water it in enough, it should still work.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
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