Growing balloon flowers from seed I have successfully grown very small balloon flowers from seed and wonder if I bring them in during the winter or leave them outside…,they are in a flower box with a good depth of earth…
Balloon Flower (Platycodon grandiflorus) – is it invasive? I was organizing my seeds for sowing and came across you article https://torontobotanicalgarden.ca/get-gardening/annas-pick-balloon-flower/ and an article https://pegplant.com/2017/08/01/invasive-balloon-flower-takes-over-the-garden/ that suggested Balloon Flower is invasive. I did not find it listed as an invasive species in Ontario https://www.ontarioinvasiveplants.ca/invasive-plants/species/. I wonder if…