Organic gardening follows the rhythm of the seasons. Knowing what to sow, plant, prune, and harvest at the right time makes your garden more productive and easier to manage.
This seasonal guide walks you through the key tasks for spring, summer, autumn, and winter — plus a free A4 printable calendar you can pin in your shed or greenhouse.
SPRING (March–May)
Focus: Sowing, preparing beds, early growth
- Sow tomatoes, peppers, aubergines indoors
- Direct sow carrots, beetroot, radish, lettuce
- Prepare beds with compost
- Harden off seedlings
- Plant early potatoes & onion sets
- Mulch perennial beds
- Check for slugs
- Ventilate greenhouses weekly
Spring is the season of preparation and early growth — the foundation for the year ahead.
SUMMER (June–August)
Focus: Watering, feeding, harvesting
- Water early morning
- Mulch to retain moisture
- Feed fruiting crops
- Harvest leafy greens
- Sow autumn crops
- Support tall plants
- Remove yellowing leaves
- Check for pests
- Keep greenhouses ventilated
Consistency is key — especially with watering and feeding.
AUTUMN (September–November)
Focus: Clearing, planting, soil building
- Plant garlic & overwintering onions
- Clear spent crops
- Collect leaves for leaf mould
- Sow winter salads
- Lift & store potatoes, squash, onions
- Turn compost heap
- Clean tools
Autumn is the perfect time to build soil health for next year.
WINTER (December–February)
Focus: Planning, maintenance, early sowing
- Plan next year’s garden
- Order seeds
- Clean pots & tools
- Turn compost heap
- Start early sowings in greenhouse
- Check stored crops
- Prune fruit trees
- Repair beds & structures
- Protect tender plants
Winter is quieter, but still full of important tasks.
