An interactive guide to help you know exactly what to sow and when
This interactive timeline is based on Charles Dowding's expert guidance for sowing vegetables throughout the year. Use this guide to plan your growing season and maximize your harvest.
The timeline shows you what to sow each month, whether to sow under cover or outdoors, and provides helpful tips for successful growing.
In a mini greenhouse, cold frame, or windowsill/indoor growing area
Direct sowing in your garden or allotment
These plants must be sown with warmth early in the season and then planted out after last frost
in a mini greenhouse, cold frame, or windowsill/indoor growing area
These plants must be sown with warmth early in the season and then planted out after last frost
Direct sowing into prepared soil
Best start date when light is increasing fast
Best start date is after Valentine's Day when light is increasing fast.
* All outdoor sowings and plantings until May will benefit from the warmth provided by covers such as horticultural fleece.
Plant out seedlings when 2-4 weeks old if sown under cover. Ensure they are hardened off gradually before planting outside.
All outdoor sowings and plantings until May will benefit from the warmth provided by covers such as horticultural fleece.
For continuous harvests, sow small amounts every 2-3 weeks rather than all at once.
Keep seedlings consistently moist but not waterlogged. Water at the base of plants to avoid wetting foliage.
Download our printable PDF version of Charles Dowding's Seed Sowing Timeline to reference whenever you need it.
Get the PDF Version