This annual or biennial vegetable form upright tufts of finely divided dark green leaves and produces a thick fleshy editable root. The tiny white flowers appear in a flattish cluster above the foliage during spring and the var. carota is regarded as a weed in many regions. 

Hardiness zones 3 to 11 

Daucus carota is naturally found from Europe to temperate Asia growing in fields and along roadsides in disturbed dry sandy-stony soils and prefers a open sunny position and is drought and frost tender.

Carrot is a biennial vegetable that is grown for its editable root and is planted in small or large vegetable gardens or grown commercially in farms or under glass. It establishes from seed in one season and is suitable for cool temperate climates. There are many cultivars available and is a popular vegetable for home gardens. ID 1520

Note:
The roots of carrot contain 17mg/100g provitamin A (carotene), together with vitamins of the B group.

Daucus (DO-kus) carota (kar-OH-tuh)

Apiaceae (ay-pee-AY-see-ee)
(Umbelliferae)
Carrot family