Horticultural Classification Codes
Horticultural Classification Codes are often given to genera which
have a large number of species or cultivars. They are used to
categorise cultivated plants based on specific, shared
characteristics such as shape, colour, size or flowering time, and
can be displayed as letters or numbers
For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea