When is the best time to plant canna lily seeds?
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Some of the earlier answerers are confused. I have Canna lilies grown from seed. They are the lumpy bits left after the flowers die off, just like most other flowers. Lots of people in northern Australia would be out of business if they had to divide rhizomes to get stock. Also- they die back in winter (I get -10 C temperatures) but they come back in spring.
In the spring
early spring,,, but after all danger of frost is past.
Sneaky question, dude. And you've already fooled a few people. The fact is, there is no such thing as canna lily seeds. canna lilies grow from bulbs and only in very warm, tropical climates.
Edit: In response to "Sptfyr" below, please note that rhizomes, tubers, corms or bulbs are pretty much the same thing in that they are the preferred names of different horticulturists.
A canna is a bulb that you should plant indoors in late winter to give it a good start. That is, if you live in the Northeast. Further south, get it into the ground as early as the soil warms. They are beautiful!
Well, since canna don't have seed, then never. Canna are neither seed nor bulb, they are Rhizomes that spread and multiply underground and are easily divided. Now, having said that you plant canna in the spring and if you live zone 7 or higher then Autumn will be fine. I wouldn't do it in the middle of the summer though because there won't be enough time to flower.
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