Cultivars
Dwarf
These dwarf cultivars grow to 150 mm to 200 mm (7¾ in) with a compact habit and large flowers.
Examples are: 'Tiara',   ‘Tosca’, 'Palette', ‘Hendrix’, and 'Triumph'.

Medium Size
These annuals have a dense habit that grows to 300mm (1 ft) tall and produce solitary flowers.
Examples are: 'Californian Giant', ‘Grandiflora Mammoth', ‘Expo 70'.

Duplex Mixed
These annuals grow to 300mm (1 ft) and produce double flowers.

Tall Size
These annuals grow to 45o mm (18 in) tall and produce large flowers in a full colour range.
Examples are: 'Prize Mixed', ‘Exhibition’, and 'Berliner Market'.