Dianthus Supra is a completely new interspecific hybrid with a compact and strong branching plant habit. It is early flowering and shows an exceptionally good garden performance. This new interspecific cross has resulted in hybrid vigor for improved heat tolerance and prolific blooming with large uniquely lacy, serrated flowers of up to 4 cm (1.5 in.) across. Supra Purple is an All American Selections winner and received the Fleuroselect Quality award.
| Life Cycle: | annual |
| Use: | packs, pots, outdoor containers, beds and borders |
| Height in pot: | 15-20 cm (6-8 in.) |
| Garden height: | 25-30 cm (10-12 in.) |
| Garden width: | 20-25 cm (8-10 in.) |
| Seed count: | 1,100-1,250 S/ gram, (30,000-35,000 S/oz) |
| Seed form: | normal and pelleted |