Recycle your Christmas tree by shredding it for mulch
Ventilate the greenhouse on sunny days
Dig over any vacant plots that have not been dug already
Repair and re-shape lawn edges
Inspect stored tubers of Dahlia, Begonia and Canna for rots or drying out
Prune apple and pear trees
Start forcing rhubarb
Plan your vegetable crop rotations for the coming season
Keep putting out food and water for hungry birds
Prepare a polythene shelter for outdoor peaches and nectarines, to protect them from peach leaf curl
Prepare vegetable seed beds, and sow some vegetables under cover
Chit potato tubers
Protect blossom on apricots, nectarines and peaches
Net fruit and vegetable crops to keep the birds off
Prune winter-flowering shrubs that have finished flowering
Divide bulbs such as snowdrops, and plant those that need planting 'in the green'
Prune Wisteria
Prune hardy evergreen hedges and renovate overgrown deciduous hedges
Prune conservatory climbers
Cut back deciduous grasses left uncut over the winter
Plant shallots, onion sets and early potatoes
Protect new spring shoots from slugs
Plant summer-flowering bulbs
Lift and divide overgrown clumps of perennials
Top dress containers with fresh compost
Mow the lawn on dry days (if needed)
Cut back Cornus (dogwood) and Salix (willow) grown for colourful winter stems
Weeds come back in to growth - deal with them before they get out of hand
Start feeding fish and using the pond fountain; remove pond heaters
Open the greenhouse or conservatory doors and vents on warm days
Keep weeds under control
Protect fruit blossom from late frosts
Tie in climbing and rambling roses
Sow hardy annuals and herb seeds
Start to feed citrus plants
Increase the water given to houseplants
Feed hungry shrubs and roses
Sow new lawns or repair bare patches
Prune fig trees
Divide bamboos and waterlilies
Watch out for late frosts. Protect tender plants
Earth up potatoes, and promptly plant any still remaining
Plant out summer bedding at the end of the month (except in cold areas)
Collect rainwater and investigate ways to recycle water for irrigation
Regularly hoe off weeds
Open greenhouse vents and doors on warm days
Mow lawns weekly
Check for nesting birds before clipping hedges
Lift and divide overcrowded clumps of daffodils and other spring-flowering bulbs
Watch out for viburnum beetle and lily beetle grubs
Hoe borders regularly to keep down weeds
Be water-wise, especially in drought-affected areas
Pinch out sideshoots on tomatoes
Harvest lettuce, radish, other salads and early potatoes
Position summer hanging baskets and containers outside
Cut lawns at least once a week
Plant out summer bedding
Stake tall or floppy plants
Prune many spring-flowering shrubs
Shade greenhouses to keep them cool and prevent scorch
Check clematis for signs of clematis wilt
Place conservatory plants outside now that it is warm
Water tubs and new plants if dry, but be water-wise
Deadhead bedding plants and repeat-flowering perennials, to ensure continuous flowering
Pick courgettes before they become marrows
Treat apple scab
Clear algae, blanket weeds and debris from ponds, and keep them topped up
Order catalogues for next year’s spring-flowering bulbs
Give the lawn a quick-acting summer feed, especially if a spring feed was not done
Give woodwork a lick of paint or preserver, while the weather is dry
Prune Wisteria
Don’t delay summer pruning restricted fruits
Deadhead flowering plants regularly
Watering! Particularly containers, and new plants - preferably with grey recycled water or stored rainwater
Collect seed from favourite plants
Harvest sweetcorn and other vegetables as they become ready
Continue cutting out old fruited canes on raspberries
Lift and pot up rooted strawberry runners
Keep ponds and water features topped up
Feed the soil with green manures
Divide herbaceous perennials
Pick autumn raspberries
Collect and sow seed from perennials and hardy annuals
Dig up remaining potatoes before slug damage spoils them
Net ponds before leaf fall gets underway
Keep up with watering of new plants, using rain or grey water if possible
Start to reduce the frequency of houseplant watering
Clean out cold frames and greenhouses so that they are ready for use in the autumn
Cover leafy vegetable crops with bird-proof netting
Plant spring flowering bulbs
Clear up fallen autumn leaves regularly
Cut back perennials that have died down
Divide herbaceous perennials and rhubarb crowns
Move tender plants, including aquatic ones, into the greenhouse
Plant out spring cabbages
Harvest apples, pears, grapes and nuts
Prune climbing roses
Order seeds for next year
Last chance to mow lawns and trim hedges in mild areas
Renovate old lawns or create new grass areas by laying turf
Clear up fallen leaves - especially from lawns, ponds and beds
Raise containers onto pot feet to prevent waterlogging
Plant tulip bulbs for a spring display next year
Prune roses to prevent wind-rock
Plant out winter bedding
Cover brassicas with netting if pigeons are a problem
Insulate outdoor containers from frost - bubblewrap works well
Stop winter moth damage to fruit trees using grease bands around the trunks
Put out bird food to encourage winter birds into the garden
Use a seasonal bonfire - where this is allowed - to dispose of excess debris unfit for composting
Check your winter protection structures are still securely in place
Check that greenhouse heaters are working OK
Prevent ponds and stand pipes from freezing
Prune open-grown apples and pears (but not those trained against walls)
Prune acers, birches and vines before Christmas to avoid bleeding
Harvest leeks, parsnips, winter cabbage, sprouts and remaining root crops
Deciduous trees and shrubs can still be planted and transplanted
Take hardwood cuttings
Keep mice away from stored produce
Reduce watering of houseplants