Gentians are prized for their tubular flowers in intense blue shades. Many are considered difficult to grow, but the following need little more than consistent moisture and humus-rich soil with excellent drainage. Some require lime-free soil, as noted. Well worth extra care, as they produce some of the richest blues in the garden.Gentiana asclepiadea
Native to Europe andwestern Asia. Arching, large-leafed stems form a clump 2–3 ft. high and 1 1/2 ft. wide. In late summer and early fall, rich, deep blue, 1 1/2-in., trumpet-shaped flowers open into stars atop the stems and among theupper leaves. Thrives in rich, neutral to acidic soil; makes a choice companion for ferns.Partial shade.
Low-growing, clumping plants. Woody rootstock produces foot-wide rosette of finely cut leaves covered ...
Native to Asia Minor. Late winter or early spring bloomer closely related to squill (Scilla) ...
All squills have bell-shaped or starlike flowers that come on leafless stems that rise from modest clu...