Two years ago on my tiny allotment I sowed a few seeds. I did not expect it to show any signs of growth here in a rather damp North Cornwall. However, look at this. There are several plants, possibly too close together now they're at full height. Clary sage (Salvia sclarea) is a fragrant herb native to the Mediterranean region, prized for centuries for its aromatic leaves and delicate purple-blue flowers. Unlike common culinary sage, clary sage is best known for its essential