1. Annual weeds - complete their life cycle in one growing season. Examples include crabgrass, chickweed, and purslane.
2. Biennial weeds - take two growing seasons to complete their life cycle. Examples include garlic mustard and common mullein.
3. Perennial weeds - live for multiple years and can reproduce vegetatively or by seed. Examples include dandelions, bindweed, and Canada thistle.
4. Winter annual weeds - germinate in the fall, overwinter, and flower and set seed in the following spring. Examples include henbit and hairy bittercress.
5. Summer annual weeds - germinate in the spring, flower and set seed in the summer, and die in the fall. Examples include pigweed and lambsquarters.
List example of weed according to their life cycle
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