Why are dandilions considered weeds???

Question

Why are dandilions considered weeds???

Answer 1

A generally accepted definition of "weed" is any plant growing where it's not wanted.  A rose could be a weed if it were growing where it wasn't wanted.

Most people want their lawn to be nothing but grass.  Anything else is a weed.

Answer 2

They choke real flowers.

Answer 3

Dandelions possess the characteristics of all good weeds. They grow in a variety of diverse environments, they produce copious amounts of wind distributed seed and they have a short maturation time.