Grandiflora roses : These are a combination of hybrid tea roses and floribunda with some having one-bloom/flare stems and some with cluster blooms/flares . The first Grandiflora rose bush was named Queen Elizabeth and was introduced in 1954. Grandifloras are tall, elegant plants which bloom rapidly in a season.
Floribunda roses: They are shorter bushes with smaller blooms as compare to grandiflora.Floribundas have a cluster blooming habit and they make great landscape bushes, bringing gorgeous eye-catching color to the landscape.
There are so many other roses we have not ever heard of but they exist. These are just way too underrated!