In spring after tulips have bloomed plant rhizome 4-6" deep in rich moist well drained soil. Plant them 1-4’ apart.1
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Canna Lily is a tender plant.In the fall in zones where it can not overwinter (or if you would like to divide them), dig roots after first frost.1 Rinse with a spray of water, dry off, and store in plastic, paper, or mesh bags in a cool (45-60F) location.1 You can also store in a plastic, wood, or cardboard box with peat moss.2
These estimates for how long Canna Lily takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 11 days | Min 7 days | Max 35 days (3)
Average 51 days | Min 51 days | Max 51 days (1)
Average 75 days | Min 53 days | Max 151 days (3)