Quick facts and care essentials

• Rhizome
• Zones 1-24, 30-45
• Full sun or light shade
• Regular watering during growing season

The most widely grown irises are the bearded irises that grow from rhizomes (though there are also beardless rhizomatous irises and bulbous irises). Bearded irises come in a dazzling array of colors and color combinations; plant size varies widely as well.

Plant in July or August in cold-winter zones, in September or October where summers are hot. Space rhizomes 1 to 2 feet apart, setting them with their tops just beneath the soil surface and spreading out the roots.


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