ElPolloDiablo said:Unless you live in a very cold area, carrots do not fear frosts. They may be slower to grow but that's about it. There's zero need to bring them inside.
They do like full sun though, and that's where you should grow them.
The most important thing with carrots is the soil. They need very loose and soft soil, preferably a sandy soil, otherwise you will get something that tastes like a carrot but looks like a stunted deformed abomination. Carrots grown in heavy clay soils with stones mixed in tend to grow in particularly amusing shapes.
If you haven't tilled your soil diligently before, it may be the time to do so. A few carrots just require a handkerchief of soil to be grown.
Carrots may be grown in containers, but they do require deep containers. Don't know what cultivar you have there but unless you have one of the so called Amsterdam cultivars (dwarves) you'll need a container at least 10" deep.
PS: I just noticed. £5.99. I knew Britain was an expensive country but this is bloody expensive.