Horseweed

Type: Broadleaf
Appearance: Horseweed starts out as a small rosette, and resembles a mare's tail when they mature. At maturity, it can be an erect stem up to 10 feet tall! An abundance of dark green leaves alternate from the stem. The flowers initially look like small daisy-like flowers but they mature into seed heads that resemble dandelion puffs.
Life Cycle: Winter annual, but can also be a summer annual.