How deep should carrot containers be?

Container depth directly determines carrot size and quality. Short round varieties (Paris Market, Chantenay): 8–10 inches. Nantes-type medium carrots: 12 inches. Long Indian Desi varieties (up to 30 cm): 14–15 inches. Use loose, stone-free soil — any obstruction causes forking. Cocopeat mixed with fine compost is ideal. Avoid fresh manure; it causes hairy, forked roots.