How can I get rid of spearmint growing in my roses?
+2
My roses are on a slope and I want to kill the spearment off instead of constantly pulling the root runners. any help in this area will be great
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The mints are one of the most invasive of plants (as you have found out). Short of digging up the roses and using a strong herbicide on the mint--.
An herbicide spray over the bare soil may sound like a simple solution over waiting one month and tediously removing emerging mint plants, but you don't want to take a risk that the herbicide could damage your roses.
Another option is to mow the mint and cover the area with a layer of newspaper four layers thick. The newspaper will smother the roots and eventually kill the mint, but this takes a full growing season to ensure success.
Here is some information for you! Good luck Juanita!
https://www.gardeningknowhow.com/edible/herbs/mint/invasive-mint-how-to-kill-mint-plants.htm
You can use plastic sheeting or landscape fabric over the area leaving your roses.
The best way to is just pull or dig out.