If it meets the criteria, yes, you can register a plumeria you hybridized.

Plumeria cultivars are typically named by their breeders or developers. The names often reflect the cultivar’s parentage, unique traits, flower colors, or the name of the breeder or hybridizer. For example, a cultivar with pink flowers bred by a person named Smith may be called “Smith’s Pink Delight.” Some cultivars are named after special events, […]

Plumeria varieties refer to naturally occurring subspecies or forms of the plant that have distinct characteristics such as flower color, leaf shape, and growth habit. Cultivars, on the other hand, are cultivated variations resulting from controlled hybridization or selective breeding to emphasize specific traits. While varieties can exist in nature, cultivars are deliberately created by […]