While I have not grown City of Leeds, my 3rd grade teacher had about 10 planted in a large bed mixed with about 10 Icebergs. Her yard was fascinatingly beautiful because City of Leeds and Iceberg were always in bloom. Unfortunately, I haven't been able to locate one since re-establishing a rose garden. But, CoL was always blooming and was quite striking planted in a mass bed so much so that 20+ years later the sight of her yard is still a vivid memory.