1 And always wash your hands after working with the product. 2  Avoid using pressure-treated lumber where it may come into contact with drinking water or food (such as cutting boards or for use in beehives).  Do not use treated wood for animal food storage bins, water trough, and compost bins.
Comments. Submit. Canna seeds germinate in about one week. When you plant rhizomes in the ground at an average depth of 2 to 3 inches, canna seeds sprout within a few days to a few weeks.The key determinants are heat, moisture and soil conditions, along with rhizome species, size and quality.hen you plant rhizomes in the ground at an average depth of 2 to 3 inches, canna seeds sprout within a few days to a few weeks.
Canna lilies can take 90 to 120 days to flower from the time the seeds are sown..Canna lilies (Canna x generalis) can add an exotic feel to your garden. The ornamental plants, which resemble banana trees, have paddle-like leaves, and flowers in shades ranging from yellows and oranges to pinks and reds.anna lilies can take 90 to 120 days to flower from the time the seeds are sown..