Sometimes called bulbs, cannas actually grow to heights of up to eight feet in one season from rhizomes, or underground stems. You can't beat 'em for easy-care color and bulk in the garden. In zones 7-10 cannas will survive winter and increase in size from year to year.

Do cannas grow from bulbs?

Originally from the West Indies and South America, cannas are one of the showiest summer bulbs you can grow. These lush tropical plants produce large — sometimes colorful — leaves, and tall flower stalks with vibrant blossoms. ... For containers, consider the dwarf cannas, which grow to about 3 feet tall.

Do cannas grow from seeds?

Canna may be grown from seed sown early indoors and transplanted outside after frost, or bulbs planted directly in the garden after frost. Sowing Seed Indoors: Sow indoors in March.