Hey out there with Stuttgart Canna problems! I coming onboard and maybe I got the answers. First off, my SCs are going into their 2nd year of growth. Last year just leaves and they were hidden by their neighbors so I did not even know they appeared. They are under my Pecan Tree and have plenty of shade. This year I went searching for them and recognized (surprise!) their unique leaves. So far they are thriving and no burns on the leaves. Will keep everyone posted as to their growth. PS: Soil is more acid here. Signing off, Gloucester Point, Tidewater Virginia.