Clump-forming plants to about1 1/2 ft. high (in bloom) and 1 1/2–2 ft. wide; spread by rhizomes(and by aboveground runners, inthe case of T. cordifolia). Leavesarise directly from rhizomes; they are evergreen but maychange color in autumn. Selectionswith year-round colorfulfoliage are becoming popular;look for new introductions inaddition to those describedbelow. Narrow, erect flowerstems carry many small whiteor pink flowers. Useful in shadyrock gardens; make prettygroundcovers but will not bearfoot traffic.
Many of the choicest foamflowersare of uncertain origin.‘Cygnet’ has star-shaped leaveswith purple markings along theveins; its white flowers openfrom pink buds. In ‘Mint Chocolate’,deeply lobed leaves havea central zone of deep brownishpurple; flowers are pinkishwhite. ‘Neon Lights’ has large,deeply cut leaves with wide,black centers and bright greenedges. ‘Pink Skyrocket’ haslarge, fragrant, light pink flowersand deeply cut leaves with asmall black center; leaves turnalmost black in winter.Tiarella trifoliata unifoliata
Native fromAlaska to Northern California,east to the Rocky Mountains.Dark green leaves divided intothree tooth-edged leaflets. Tinywhite flowers on 1 1/2-ft. stalksare followed by little fruits thatlook like sugar scoops.
Numerous kinds of large, cyclindrical cacti with prominent ribs and stout thorns. Many are native to t...
Grown for striking form and flower clusters. All do well in dry, poor soil but need good drainage. All...
Daisy relatives, typically with blue flowers; native to South Africa. Though more than 80 species are ...