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Month by Month Gardening Calendar - April

 

What to do in the garden in April

This exciting month is a mix of new growth and spring awakening, thanks to the showers in April and the ground starting to become warmer you will notice a lot of plants starting to grow quite rapidly. Generally, there is a bit more sunshine this month but still the chance of wind and showers. If you grew daffodils this year make sure to deadhead if they are starting to go over, cut the flowerhead off at the top of the stem to encourage new flower growth next year from within the bulb. 

If the weather permits, start regularly mow lawns to keep on top of growth but make sure your mower blades are at the highest point. We know you will be excited to get out in the garden after winter and don't forget those tulip bulbs planted back in November should soon be making an appearance this month! 

Ornamental Garden:

  • Continue to remove faded flowers on spring bulbs but not the foliage until it is withered.
  • Keep borders weed-free.
  • Mulch borders if not completed last month.
  • If the weather is mild, then trim the weak or straggly growth of sage and rosemary.
  • Penstemons – cutback last year’s stems down to the new growth – if the weather is very cold delay until the end of the month.
  • Check evergreens for any frost damage – lightly prune if necessary.
  • Look out for early aphid attacks and treat if necessary. Pests will be active outdoors as the weather gets warmer.
  • Sweet peas can be direct sown now to produce plants that flower later than those sown under glass or overwintered plants.
  • Prune early flowering shrubs such as forsythia etc.
  • To ensure strong growth on roses apply a general fertiliser.
  • Plant evergreen trees and shrubs/move existing evergreens if necessary.
  • Trim back frost-damaged foliage.
  • Plant summer flowering bulbs, corms and tubers including dahlia, gladioli and canna.
  • Apply combined weed, feed and moss to lawns.
  • Take and pot any hydrangea cuttings.