Wednesday, December 06, 2006

Can I grow any canna in my pool?

Cannas are native to moist areas and many do quite well if grown in water, as long as they are not submerged too deeply. The cannas in the pool at the U.S. National Arboretum are varieties of Canna glauca or hybrids between Canna glauca and other canna species. They may also be grown in bog plantings where the soil is constantly saturated. Garden cannas are surprisingly adaptable to wet conditions and some may be grown in water if temperatures are warm. The rhizomes of all cannas rot in cold, saturated soil, so they cannot live over the winter in the aquatic garden.

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