Ask a Question forum: Granular Weed Control problems

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Name: Taci
Sugar City, ID (Zone 4a)
Jul 11, 2016 2:17 PM CST
I purchased a home last year. The owner's said that before they put the house up for sale they used a year long weed killer in the backyard flower beds because they had never planted anything there and it was full of weeds. They didn't want to worry about weeding while they were trying to sell the house.

Everything I planted in those areas this spring (a year later) has either died or not grown at all. If the weed killer was only supposed to last a year why am I still having problems? There are also no weeds growing in a good portion of the areas they said they put the weed killer. Did they apply too much and it is still not out of the soil?

I have placed some new top soil on top of the old soil in some of the beds. What can I do to get rid of this faster or be able to plant annuals and perennials? Is there hope for next year?
Name: KadieD
Oceania, Mariana Islands (Zone 11b)
Wet Tropical AHS Zone 12
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Jul 11, 2016 2:30 PM CST
The weed killer not only killed the weeds, but it also killed the soil. The beneficial fungus, bacteria, mycorrhiza, earth worms, and everything else were killed. Good that you have placed top soil on top of the old. Compost material is also very good. Please do not till these into the old soil. Soon you will have a living soil in which your plants will thrive! Angel
Name: Karen
NM , AZ (Zone 7b)
Region: New Mexico Region: Arizona Greenhouse Cactus and Succulents Adeniums Garden Art
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Jul 11, 2016 2:38 PM CST
We rented out our home for a number of years. The management company didn't want to deal with weeds so they used a permanent weed killer on the entire property. It killed many of the existing plantings, and even years later we can't grow anything in the contaminated soil. When I want to plant now, we have to dig out and discard the old soil, and add new. That's the only way anything will grow well. Sometimes things grow in the contaminated soil, but they are stunted and never do well. Even things that grow easily in the area are stunted or die.
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Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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Jul 11, 2016 3:14 PM CST
Welcome! Is there any way you can find out exactly what product was used?

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