Rare Badgeworth Buttercup Blooms for One Day a Year in Gloucestershire Saturday, June 13, 2026 adderstonguespearwort buttercup gloucestershire rareplant biodiversity conservation wildflower ukflora spring wetlands Hidden away in Gloucestershire is a remarkable botanical treasure: the adder’s-tongue spearwort, a rare buttercup species that graces the landscape for just a single day each year. Known scientifically as Ranunculus … Read More