Canna is one of severaltropical gardenplants that can be grown in northern climates with specialized care.

However, north of zone 8, the bulbs will die if they spend winter in the ground.

However, they require some monitoring while they’re in storage.

Orange canna lily flower

The Spruce / David Beaulieu

What Is a Rhizome?

Rhizomes are plant stems that grow below the ground, not above the ground.

Light surface frost won’t penetrate down to the buried bulbs, but a deep frost can ruin them.

Materials needed for digging up and storing canna bulbs

The Spruce / Jason Donnelly

Replant the bulbs in spring after the ground has fully thawed and all danger of frost has passed.

This usually means late spring for most gardeners.

These include elephant ears, blood lilies,caladiums, anddahlias.

Overhead view of digging up spring bulbs

The Spruce / Jayme Burrows

you could propagate new plants by cutting away these well-developed offshoots.

A well-ventilated garage or closet makes a good curing location.

Curing toughens up the outer skins to help the bulbs resist rot during storage.

Cleaning and inspecting the canna bulbs

The Spruce / Jason Donnelly

Experienced gardeners are generally happy if 80 percent of their bulbs survive the winter.

To store them in their containers, cut the foliage down to soil level.

A basement or the inner wall of an attached garage can be an ideal location.

Allowing canna bulbs to cure before storing them

The Spruce / Jason Donnelly

Pearce, R.Plant Freezing and Damage.Annals of Botany, vol.

4, 2001, pp.

Wrapping and storing the canna bulbs in brown paper bags

The Spruce / Jason Donnelly

Monitoring the bulbs throughout winter

The Spruce / Jason Donnelly