Short of "chemical" herbicides, how do I attain rid of thistles? Stinger Nettles, Thistles, Queen Elizabeth Thistles, or whatever you call them they...

Stinger Nettles, Thistles, Queen Elizabeth Thistles, or whatever you call them they grow elevated with purple flowers and SHARP leaves I have them EVERYWHERE!

They are throughout one of my flower bed, along the side of my house and spreading into the front lawn. I'd rather hold a lawn free of powerful chemical herbicides but I really need to receive rid of these things.

Currently I've been trying to dig up the roots but they hang on to coming back and there's so many it would pocket me ages. I dig about 3 inches down and break as abundant roots as I can find and pull out the body of the plant.
I collected several acorns from a oak tree...
Answers:    Boil water contained by the tea pot or sauce pan. Pour a little boiling river on the center of the plant, or on the stem and root area if it has developed a stalk.

Boiling river turns the plant and root into cooked greens. Kills the roots and entire plant without hurting the surrounding plants or the soil.
Will it mar a tree if I use...
i tried chemical... didn't bother the darn things.. maybe it be because I bought a generic chemical... anyways... try yelling at them. If it doesn't work, blast them with Acid Rock! and if that doesnt work. cry. closing of all, pay the neighbor kids 20 bucks to come verbs them.