Many perennial crops like rhubarb, asparagus, artichokes, all kinds of berries and currants, Welsh onions and herbs are old familiars. Or well-known tropical perennials like ginger, turmeric and citrus fruits, which all need winter protection. Growing less common, though often very ancient, perennial veg could hold the key to sustainable food production on a wider scale.
Agronomists are looking at how perennial crops could save water and fertiliser, preserve the soil microbiome and allow for year-round harvesting. The extensive range of available plants
