hello, how are you today? do you like roses?
I do like roses but I don't know much about them. 
the are grown as ornamental plants in gardens
What all care do they require? 
the leaves are borne alternately on the stem, i dont know a lot else
Are there any other ornamental plants? 
the rosa sericea and cacti
I have never heard of the rosa sericea. Can you tell me more about it?