Angel of Forgiveness, one of Dr Keith Hammett's newer dianthus hybrids. Photos by Gillian Vine. : New varieties evoke sweet nostalgia

Angel of Joy, from Dr Keith Hammett's Scent from Heaven series. : New varieties evoke sweet nostalgia

Dianthus caryophyllus has been used to breed many modern carnations. : New varieties evoke sweet nostalgia

Picotee carnations have a narrow band of colour around the edge of the petals. : New varieties evoke sweet nostalgia

Green carnations are Sweet William (Dianthus barbatus) cultivars. : New varieties evoke sweet nostalgia

Otaki Pink has been grown in New Zealand since the 1930s. : New varieties evoke sweet nostalgia

Maori Chief, still sometimes available, was winning at New Zealand flower shows in the early 1880s. : New varieties evoke sweet nostalgia