Gentians are prized for their tubular flowers in intense blue shades. Many are considered difficult to grow, but G. asclepiadea needs little more than consistent moisture and humus-rich soil with excellent drainage. Some require lime-free soil, as noted. Well worth the extra care, as they produce some of the richest blues in the garden.
Native to Europe and western Asia. Arching, large-leafed stems form a clump 2–3 ft. tall 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 the upper leaves. Thrives in rich, neutral to acidic soil; makes a choice companion for ferns. Partial shade.
These are mint relatives with the family’s typical square stems; paired opposite leaves; tubular...
Trailing habit to 1 ft. high and 3 ft. across. Oval dark green leaves. In spring, plants are covered w...
Neither ferns nor palms, these evergreen plants are primitive, cone-bearing relatives of conifers, exc...