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How to grow Gladioli

  • Check the corms are healthy & firm before planting
  • Plant your corms about 15-20cm deep & 15cm apart
  • Plant into well drained soil & in a sunny position
  • Water well during dry spells & weed regularly
  • Feed with a high-potash fertiliser once the flower spikes appear
  • Bamboo canes & string work perfectly for staking. Tie the stems at intervals along their length so they don’t bend from the tied point
  • Watch out for insects as they can damage leaves & flowers
  • Gladioli can survive outside in mild areas if the soil is well-drained & mulched