Trillium, Wake robin
Bulbs and bulblike plants
Blooms in early spring; needs some winter chill. Each stem is topped with a whorl of three leaves; a single three-petaled flower appears in the center of the whorl (sometimes on a stalk, sometimes virtually stalkless). Plant in shady, woodsy site. Left undisturbed, plants will gradually increase by rhizomes. Dies to ground in mid- to late summer.Trillium ovatum
Western native. Resembles T. grandiflorum but has narrower petals; flowers are usually upright and are borne on stalks.
Medium to large; quite a long neck, interesting and attractive in form. Heavy russeting on green or ye...
Native to damp places in the Rocky Mountains and the Blue Mountains of Oregon. Grows to 3 ft. high and...
Flower heads to 2 in. wide, borne singly on 1–1 1/2-ft. stems above a foot-wide foliage clump. U...