Replacing groundcover and weeds with grass on a hilly slope - Knowledgebase Question

Buffalo Grove, IL (Zone 5A)
Question by howardgottli
August 23, 2006
Our backyard consists of a flat portion where there is great grass growing and bushes surrounding a cement patio. The previous owner had grass on the hill which extends from the flat portion to the end of the property however traded that in for ground cover from a landscaper as the grass was not growing well due to a tree from a neighbor blocking out the sun. This ground cover is now mostly weeds and they have grown out of control where constant weeding is too time consuming. I would like to get rid of all the weeds and ground cover and start from scratch wiith new grass seed on this hill area of the yard. I was told about chemicals that would kill all vegetation and then told to wait a year before seeding; can you share some insight and thoughts on this please? The neighbor has trimmed his trees quite a bit and I am hopeful I could get grass to grow again over time with proper watering and fertilizing.
Howard Gottlieb
[email protected]

Answer from NGA
August 23, 2006


If you use a vegetation killer such as glyphosate (Round-Up), there is a waiting period, but I think one-year is excessive. From what I am reading on the label, the recommendation is to wait 7-10 days after application before planting in the area. If you choose to use an herbicide, be sure to read and follow the label directions, and be careful of overspray or drift - this product will kill on contact.

As for reseeding the area, you might want to choose a shade-loving grass variety, or one that is labeled shade/sun mixture.

Best wishes with your project!

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