Courtesy of Sunny Border Nurseries

Gentiana x 'True Blue' (PP20433) - ​Rich gentian blue up-facing 2-inch flowers occur up and down stems among the semi-glossy clean lance-shaped leaves. 'True Blue' has a long bloom period from midsummer into early autumn. Inter in fertile, moisture retaining ground with full to half sun exposure. This laudable new hybrid comes from Darrell Probst. Established pot grown perennial.