What Are Weeds
A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place". Examples commonly are plants unwanted in human-controlled settings, such as farm fields , gardens , lawns , and parks . Taxonomically , the term "weed" has no botanical significance, because a plant that is a weed in one context is not a weed when growing in a situation where it is in fact wanted, and where one species of plant is a valuable crop plant, another species in the same genus might be a serious weed, such as a wild bramble growing among cultivated loganberries . Many plants that people widely regard as weeds also are intentionally grown in gardens and other cultivated settings, in which case they are sometimes called beneficial weeds . The term weed also is applied to any plant that grows or reproduces aggressively or is invasive outside its native habitat. [1] More broadly "weed" occasionally is applied pejoratively to spe