Chillies, peppers, aubergines, and tomatoes can be sown on a warm windowsill, in propagators, or on heat mats in the greenhouse as they need a long growing season to maturity.
Start seeds of cold-hardy herbs like chives and parsley this month. They can go out in the garden in March or April as they can withstand cold weather.
Garlic cloves can be planted outside.
Top Tip: Warm the soil in raised beds with clear polythene after weeding and raking it level. The polythene will keep the soil dry whilst still allowing radiant light to warm the surface. Do make sure to weigh it down with heavy bricks or similar to keep it in place in strong winds.
Next issue: Hardening seeds off for planting outside.