Canada thistle

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Canada thistle

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The Canada thistle does not have rootstocks like the quackgrass, but has true roots, the parts of which are capable of producing plants.
For this reason all grass and clover seed should be carefully examined before sowing to make sure that it contains no Canada thistle seed.
Salting the plant: Cut off the Canada thistle while in bloom just beneath the surface of the earth and apply a large handful of salt, or better yet, a half pint of stiff salt brine where the thistle is cut off.

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