Mint

Mint was both a plant and a colour (green). On Earth the plant was not tolerant to rapid changes in temperature and would die back during cold temperatures. (PROSE: Cat's Cradle: Warehead, The Banquo Legacy)

Mint and food
Many sweets were mint flavoured such as humbugs and also Tic-Tacs which were available in orange and mint flavour. (PROSE: Coldheart, Interference - Book One) Whilst others had chocolate with with mint in the middle, these were often consumed following a meal with tea or coffee. (PROSE: Dragons' Wrath, Dry Pilgrimage)

Vithiliskan Savoury Fruit was served with mint sauce at the DMMC base canteen on Dreamstone Moon. (PROSE: Dreamstone Moon)

Mint's other uses
Mint was used in to flavour many forms of toothpaste. (PROSE: Sky Pirates, Beige Planet Mars)