Thistle Plants

How do I kill thistle?

Zone 43140 | Edna added on October 7, 2018 | Answered

I cut the weed as close to the ground....I "dribble" a weed killer on the open cut stem...and yet it comes back.

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Answered on October 8, 2018

Cut stem treatment is not as effective for thistle as spraying or painting the leafy tops for foliar absorption with a systemic herbicide.
You don't identify the type of thistle, describe the site, - pasture, lawn or planting beds or un-planted soil surface, and you don't state what herbicide you have been using.
To spray in a lawn area use an herbicide for broadleaf weed control like this:
But the active ingredients will kill other broadleaf plants, so don't use near desirable plantings.

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