Winter: December to February
Plant bare-rooted trees
Repair and maintain fences, outbuildings etc
Make compost
Dig new beds and borders

Spring: March to May
Sow annual flower seeds
Prune clematis
Plant summer-flowering bulbs
Plant potatoes
Divide herbaceous plants
Sow annual herb seeds
Cut lawns
Plant evergreen plants and hedging
Plant up hanging baskets

Lay new turf/sow new grass

Summer: June to August
Sow annual herb seeds
Cut lawns
Make compost
Clear and maintain ponds
Clip hedges and topiary
Liquid-feed container plants
Plant autumn-flowering bulbs

Autumn: September to November
Lawn maintenance: spiking/scarifying
Plant spring-flowering bulbs
Dig new beds and borders
Plant soft cane fruits such as raspberries
Sow hardy peas and beans
Winter-prune fruit trees