Growing Tropical Series Canna Garden Seeds

Tropical Series canna seeds are most commonly started indoors 8-10 weeks prior to the final frost. Seeds will germinate in 7-21 days in complete darkness. When transplanting, harden off seedlings to a sunny place in the garden or patio. Plants can be uprooted and potted indoors overwinter and then replanted in the spring. Plant 1-2 Tropical Series canna seeds ½ inch deep and 36 inches apart in moist, Organically rich, and well-drained soil in full sun. Tropical Series canna seeds are vigorous seasonal performers and require full sun for full flowering. Plants should be properly ventilated, drained, and watered since plants' rhizomes may rot if oversaturated. Flowering stalks should be removed after bloom. Canna is susceptible to yellow asters, Japanese beetles, and slugs which may chew on the foliage. Tropical Series canna seeds mature in 98-112 days as 30-36 inch tall uprights with a 24-36 inch spread of robust gladiolus-like stalks and wide paddle-shaped leaves.

Canna x generalis is a member of large and subtropical perennials with rhizomatous rootstocks. Canna was cultivated by indigenous people of the Americas for thousands of years for its rich, starchy, and edible roots. The genus Canna is internationally celebrated for an abundant of uses including dyes, noodles, insecticides, jewelry, and alcohol.

Other Resources

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