I have just purchased a dozen dwarf Canna plants. Do I have to necessarily grow them in pots? I am scared that in summer, pots may dry out. How tall will they grow if planted on the ground?
Certified GKH Gardening Expert
In the proper conditions (warm, tropical-like weather), they can be successfully grown outdoors. This article should help: https://www.gardeningknowhow.com/ornamental/bulbs/canna/canna-lily-care.htm