When to Dig Up Dahlias, Cannas and Gladiolus in Newfoundland and Labrador
Dig them up. In Newfoundland and Labrador, dahlia tubers, canna rhizomes and gladiolus corms come out of the ground after the first hard frost blackens…
When to Dig Up Dahlias, Cannas and Gladiolus in New Hampshire
Lift dahlias, cannas and gladiolus in New Hampshire after the first frost that blackens their leaves, then wait a week or two before the fork goes in.
When to Dig Up Dahlias, Cannas and Gladiolus in New Brunswick
Dig them up. In New Brunswick, dahlia tubers, canna rhizomes and gladiolus corms do not reliably survive winter in the ground.
When to Dig Up Dahlias, Cannas and Gladiolus in Nebraska
Dig dahlias, cannas and gladiolus in Nebraska after the first hard frost blackens the foliage, within a week or two of it.
When to Dig Up Dahlias, Cannas and Gladiolus in Montana
Dig dahlias, cannas and gladiolus in Montana once a frost has blackened the foliage, and get them out within a week or two.
When to Dig Up Dahlias, Cannas and Gladiolus in Missouri
Lift dahlias, cannas and gladiolus in the week or two after the first frost that blackens their leaves.
When to Dig Up Dahlias, Cannas and Gladiolus in Minnesota
Minnesota’s ground freezes too deep for dahlias, cannas and gladiolus to survive winter outdoors, so gardeners statewide dig them after the first fall frost and store them indoors.
When to Dig Up Dahlias, Cannas and Gladiolus in Michigan
In Michigan, dahlias, cannas and gladiolus have to come out of the ground for winter. The trigger is the first frost that blackens the leaves.
When to Dig Up Dahlias, Cannas and Gladiolus in Manitoba
In Manitoba, dahlias, cannas and gladiolus all come out of the ground every fall.
When to Dig Up Dahlias, Cannas and Gladiolus in Maine
In Maine, all three come out of the ground every fall. Lift dahlias, cannas and gladiolus after a frost blackens the foliage, which at Portland falls…