[Eli5] Where do weeds come from?

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They seem to pop up over night.

In: Earth Science

Anonymous 0 Comments

Many weeds can reproduce vegetatively – that is, a small part of a plant can produce a whole new plant. If you chop one up when, say, mowing your lawn or leave a piece after weeding, they can regrow.

Others grow from seeds, as other plants do, but those seeds are so widely dispersed that they’re almost always there to take any available opportunity.