Fortifying snapshot of the gardener’s year: Saatchi Gallery’s RHS Botanical Art show reviewed

It’s spring and in this corner of rural Sussex, the bluetits are at the window, newborn lambs are bleating in their pens, and all the rabbits are dead. The burrows are still there, but the chewed grass, the little collections of brown pellets, the white bobtails scattering before your headlights at night, they are gone.