Tuesday, April 18, 2017

Dividing Iris - Garden Tip Tuesday

Garden Tip Tuesday 
      (come back each Tuesday for more!)

How to divide Irises

  • Dig up a bearded iris clumps every three to five years or when the center dies out. They are close to the surface so slip a shovel underneath and pry up. Divide them in the spring after the flowers fade.
  • With a knife, separate rhizomes.  Check for Iris borers (fat white worms.) Destroy them and discard any soft or rotten rhizomes.
  • Each Rhizome division should have one leaf fan (three leaves or so coming from the root.  Cut the foliage back to 4 to 6 inches.
  • Replant divisions 12 to 18 inches apart with rhizome tops barely showing above the soil surface.



Image result for photo of iris
courtesy of the New Zealand Iris Board


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