Info on cannas - Knowledgebase Question

kalamazoo, MI
Question by dfgquilter
August 10, 2006
Hi.... I'm experimenting with cannas this year. Most of them are coming up fine. However, two of them have tiny green sprouts on them and then they just stopped growing. They are just


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Answer from NGA
August 10, 2006

0

If your plants' growth has stalled, they are not getting the warmth or sunshine they require. Try moving them to a sunnier spot. In general, Cannas prefers rich, moist soil and full sun. They are usually grown from rhizomes; plant rhizomes 4-5 inches deep, after all danger of frost, or start indoors in pots. Keep the rhizomes moist, but not wet. Emerged plants can receive more water. Can also be grown in poorly drained areas and in shallow ponds.

Plants should be deadheaded for continual bloom. Cannas like to be fed. Fertilize in early spring and mid-summer. In zones 7 and below, rhizomes can be overwintered. Allow foliage to be killed by a frost. Dig plants, leaving soil attached to rhizomes. Allow to dry, then pack in plastic bags with some moisture. Keep in a cool location for the winter. Potted cannas can be brought inside and treated as houseplants.

Not often bothered by problems. Canna leaves are covered with a waxy substance, so water is repelled and fungus doesn't usually take hold. Grasshoppers and caterpillars may munch the leaves. Water stress will cause tearing or cracking in the leaves.

Best wishes with your cannas!

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