Storing Siberian Iris Divisions Over Winter: Basement Storage vs. Heeling In

Moving in late September (Zone 7), needing to store Siberian iris divisions until February.

Siberian Iris (Fibrous Roots, Not Rhizomes)

• Leave soil on roots.
• Place in a cool, dry, dark basement corner (below 50°F, above freezing).
• Cover roots with a thin layer of soil, then cedar mulch.
• Do not refrigerate; they need dormancy, not cold stratification.

Alternative: Heeling In

If a protected outdoor spot exists, bury the divisions in a trench, mulch heavily, and lift in spring. Basement storage is more reliable for a move.

Replant as soon as soil is workable in the new location.