The roots are eaten either raw or cooked. The tops can also be eaten although not as common. Carrot seed germinates best in soil that is 10-30C (50-85F). Carrots too close will not develop a large taproot. This is generally a temperate crop, but the variety‚Uberlandia‚ does well in the tropics. Optimum soil pH: 5.8-6.8. Uberlandia: Tropical carrot variety which sets seed in one year. Harvest crop before seeds set, but allow a few plants to go to seed. Sow shallowly and thin as needed.