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Growing: Cannas |
| By Ellen Brown |
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| Botanical Name: | Canna x gerneralis |
| Life Cycle: | perennial rhizomes |
| Planting Time: | spring after danger of frost has passed |
| Height: | dwarf types 2' to 3; standard types 5' to 6' |
| Exposure: | full sun |
| Soil: | rich, moist, well-drained soil |
| Hardiness: | perennial rhizomes 8 to 11; over winter indoors in cooler zones |
| Bloom Time: | late spring |
| Flower: | variety of bright colors including fire-engine red, hot pink and shocking orange. |
| Foliage: | bright green, blue-green, deep red or tiger striped |
| Propagation: | rhizomes |
| Suggested Use: | beds, borders, landscape accents and container plants |
| Growing Hints: | Southern zones can plant bulbs outside in the spring. To give them a head start, zones north of zone 7 should start bulbs indoors 5 weeks before the last frost date. Pot rhizomes in a soil-less mix, pointed end up and barely cover them. Keep them warm (75ºF) and slightly moist until new growth appears. Then move them to a sunnier location and feed every two weeks with a 1/2 strength houseplant fertilizer. Move plants outdoors when danger of frost has passed. |
| Interesting Facts: | Cannas can be dug up in cooler zones and stored until the following season. Dig them up after the first light frost and cut the tops back approximately 6 inches. Don't bother cleaning soil off the roots, just set them in damp peat moss and store in a cool (40ºF to 50ºF), dry place. Rhizomes should be checked throughout winter and watered lightly if needed to keep roots from shriveling. |
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RE: Growing: Cannas
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Post By Graham Harbman (Guest Post)
(03/25/2006)
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Hi!
I am just starting gardening and I'm attracted to cannas. I think I have a great place for a few with full sun. Could you tell me how long the flowers last?
I live in eastern PA, almost to NJ.
Thank you!,
Graham
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