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Gardening To-Do’s – Temperate Rainfall Region – May

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What to do in your garden during May

In temperate summer-rainfall regions do the following in your garden during May.

Plant and Sow

Annuals

Sow all summer-flowering annuals at the beginning of the month like:

Vegetables

Sow vegetables like:

Garden Maintenance

General garden maintenance

  • Deadhead annuals to prolong flowering.
  • Cut back regal and zonal Pelargoniums, and make cuttings from the pruned branches.
  • Look out for amaryllis-borer caterpillar on NerinesAmaryllis and Clivias.
  • Guard Hostas against snail infestation.
  • Divide hardy summer-flowering perennials that have become overcrowded.
  • Keep the soil well mulched.
  • Prepare trenches for sweet peas.
  • Consider installing a rainwater tank. Many container-grown plants do best if watered with rainwater.
  • Stake Dahlias and water and fertilize them regularly.
  • Mulch roses well.
  • Cut back Chrysanthemums.
  • Deadhead roses regularly.
  • Sow lawn seed.
  • Water citrus trees well every three weeks and spray against citrus psylla; water other fruit trees thoroughly every second week.

For May maintenance tips on watering, pruning, pests and disease, fertilizing and much more visit our countrywide maintenance guide.

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