I bought this Cassia [Senna] last year in a 1 gal. size pot. It was about 3 feet tall when I bought it. It grew to about 5 feet tall and wide over the summer. It froze back to the ground this winter. It\\\'s now about 10 feet tall and 8 feet wide. The largest trunks are maybe 3 inches in diameter. It has lots of yellow flowers on it. A very nice specimen tree and also a great butterfly larval food--if you can keep the ants that are on it from eating all the eggs and cats!
I'm in Estero, Fl...between Naples and Ft Myers. I'm looking for whatever plant is attracting the great number of Cloudless Sulphurs and Orange-Barred Sulphurs on a friend's property. I can't find any cassias with which I'm familiar, in the whole area but SOMETHING is bringing them in! Since seeing your photo I'll go back and check the property again. There are a lot of trees/shrubs with similar leaves...similar but not the same, and no yellow flowers. Would this tree be flowering now, in February?
We're going back to Canada in a month but in the meanwhile I'm working at establishing a butterfly garden on our friend's ranch. Thanks for the i.d. photo!