Carrot varieties are described as early or maincrop varieties, but also either short-root or long-root varieties. These names give you an idea of when they will crop and the type of soil they're ...

Short carrots, such as chantenay types ... Sow thinly, leaving around 2.5cm between seeds, then cover with 1cm of compost. When the seeds have germinated, thin to around 5cm between carrots. Carrots ...