Gardeners Calander - April

General Garden Care

  • Tie In Climbers
  • Divide Perennials
  • Feed Lawns
  • Prick out and pot on seedlings
  • Plant summer flowering bulbs
  • Sow Sweet Peas

Vegetables and Herbs

  • Plant Asparagus crows outside
  • Plant maincrop potatoes
  • Keep succession sowing lettuce, radish, beetroot, peas, broad beans,turnips
  • Plant out onions sown earlier
  • Sow Leeks, Kohl Rabi, Florence Fennel, Salsify, Scorzonera
  • Sow winter brassicas
  • Thin out seedlings
  • Put in some pea supports
  • Divide Chives
  • Layer Thyme
  • sow herb seeds

Perennials

  • Keep planting new plants
  • Finish dividing summer flowering perennials
  • Plant out Dahlias in milder parts
  • Continue taking basal cuttings
  • Thin shoots on delphiniums and lupins if overcrowded

Annuals and Bedding

  • Sow Hardy Annuals Outside
  • Plant out hardy annuals sown indoors
  • Sow half hardy annuals
  • Last chance to sow sweet peas
  • Plant out sweet peas sown in autumn

Trees and Shrubs

  • Remove frost damaged shoots
  • Check roses for aphids
  • Trim winter flowering heathers
  • Prune black elder and smoke bush
  • Cut back lavender and curry plant
  • Propogate conifers
  • Plant evergreen hedges

Fruit

  • Check on forced rhubarb
  • Feed blackberries and blackcurrants with high nitrogen feed
  • Prune fan trained cherry, plum and nectarine trees
  • Tie in grape and kiwi vines

Under Glass

  • Keep temperature, humidity and sunlight under control.
  • Keep an eye out for pests
  • Sow half hardy annuals
  • Prick out and pot on seedlings
  • Sow winter flowering pansies
  • Take cuttings from fuchsias and pelargoniums
  • Sow tomatoes, celery, celeriac, sweetcorn, marrows and courgettes

Lawns

  • Mow grass regularly now
  • Repair problem areas
  • Feed lawns
  • Aerate moss problem lawns
  • Apply moss killer

Bulbs

  • Deadhead daffodils
  • Plant summer flowering bulbs
  • Divide Nerines

Containers

  • Plant up an alpine trough

Ponds

  • Clean out your pond
  • pLant new aquatic plants
  • Divide water lillies

Climbers

  • Tie in roses
  • Tie in clematis