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What to do in February

February
  •   Cut down deciduous ornamental grasses left standing over winter, before fresh shoots appear
  •   Divide large clumps of snowdrops and winter aconites after flowering and replant to start new colonies
  •   Prune late summer-flowering clematis, cutting stems back to healthy buds about 30cm from the base
  •   Divide congested clumps of herbaceous perennials and grasses to make vigorous new plants for free
  •   Transplant deciduous shrubs growing in the wrong place, while they are dormant
  •   Cut down deciduous ornamental grasses left standing over winter, before fresh shoots appear
  •   Divide large clumps of snowdrops and winter aconites after flowering and replant to start new colonies
  •   Prune late summer-flowering clematis, cutting stems back to healthy buds about 30cm from the base
  •   Divide congested clumps of herbaceous perennials and grasses to make vigorous new plants for free
  •   Transplant deciduous shrubs growing in the wrong place, while they are dormant
  •   Sow sweet peas in deep pots and keep them frost free in a greenhouse or on a sunny windowsill
  •   Sow summer bedding and tender annuals, including cosmos, lobelia, dahlias, nasturtiums and snapdragons
  •   Pot on and pinch out autumn-sown sweet peas to encourage sideshoots to form
  •   Sow tender crops such as tomatoes and chillies in a heated propagator or on a warm sunny windowsill
  •   Plant dahlia tubers in trays to encourage shoots to develop, which you can then use as cuttings
  •   Install a nest box with a camera, so you can watch birds raising their broods this spring
  •   If snow falls, knock it off evergreen shrubs, hedges and conifers to prevent branches snapping under the weight
  •   Make or buy a cold frame to use when hardening off young plants this spring
  •   Check fleece or other insulation is still in place around pots and borderline-tender plants
  •   Firm back down any plants that have been lifted by frost or loosened by wind-rock