Cannas are hardy in zones 8 through 10.
image by mrmac04: morguefile
Plant cannas to a depth two to three times the height of the bulb. Measure distance from the bottom of the bulb and cover with loose soil.
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Nannette Richford is an avid gardener, teacher and nature enthusiast with more than four years' experience in online writing. Richford holds a Bachelor of Science in secondary education from the University of Maine Orono and certifications in teaching 7-12 English, K-8 General Elementary and Birth to age 5.