I've been using Preen for years. Living in MA I put the Preen down in March or when the snow has melted off my 20+ flower beds. It doesn't matter if it snows after I put the Preen down, I will not get any weeds until late October, at that point who cares! Just love this product.
We bought two huge buckets of this stuff every year for the past 3 years from Costco. It has never ever worked. Don���t buy. Doesn���t do anything. We pulled all existing weeds, put Preen down and a month later we have hundreds of weeds (dandelions, vines, thistles). Stuff is garbage. Waste of money. Will never buy again.
I have used this product for the 1st time this year after I redid my landscaping and this product seems to be doing exactly what its suppose to do, so far!
I have used Preen Weed Preventer and had success for the past 10 to 15 years. This year, it did not work at all. I applied it the same as I have in other years just before a rainfall, with the scoop, etc. I have never weeded more than this year! The same weeds it has prevented in the past are taking over my landscaping. I have talked to a few people who use it, including family members, and they seemed to have the same situation as I am experiencing. What happened this year? I use 4 of the 16# size. It was unfortunately a big waste of money and time this year. Disappointed.
bought the black mulch with the weed prevention and didn't work at all. Within a few days I had more weeks than normal. Huge disappointment
We bought two huge buckets of this stuff every year for the past 3 years from Costco. It has never ever worked. Don���t buy. Doesn���t do anything. We pulled all existing weeds, put Preen down and a month later we have hundreds of weeds (dandelions, vines, thistles). Stuff is garbage. Waste of money. Will never buy again.
I would not have used Preen over 20 years if I wasn't happy with it.
Theressa