Van Dycks

Garden Guide Iris Basics

Several basic dos and don'ts apply to most of the rhizomatous Iris. Exceptions are noted in each variety description.
  • Plant Iris in full sun.
  • Plant Iris in well-drained soil.
  • Plant the rhizomes horizontally; leaves go up, roots go down. Fertilize lightly in the early spring.
  • Never plant rhizomes more than 1" deep.
  • Do not mulch over the rhizomes.
  • Do not apply fertilizer directly to the rhizome.