From North America. All are grown for clusters of five-petaled flowers like little hollyhocks (Alcea). The plants range from erect to sprawling; leaves are typically dark green, roundish to kidney-shaped, about 3 in. across. Basal leaves are shallowly lobed, stem leaves more deeply cut.
Most garden sidalceas are hybrids between S. candida and S. malviflora. They form clumps to about 2 ft. wide and bear 1 1/2–2-in. flowers; will bloom all summer if deadheaded. Choices include 2–3-ft. ‘Brilliant’, with carmine-red flowers; 3-ft. ‘Elsie Heugh’, with fringed pale pink flowers; 2–3-ft. ‘Party Girl’ (deep pink); and 2–3-ft. ‘Rosanna’, with rose-colored flowers.
Native to Oregon, California, and Baja California. May grow erect to 2 ft. tall and wide; or may sprawl and spread more widely by rooting at the nodes. Pink or purplish pink, 2-in. flowers in early spring. Attracts butterflies. Moderate water.Sidalcea neomexicana
Native from eastern Oregon to Wyoming, and south to Mexico. Grows to 3 ft. tall and 1–1 1/2 ft. wide; branched or unbranched spikes of white or pinkish, 3/4-in., summer flowers.
From China. Loose, spikelike clusters of 1 1/2–2-in. white flowers open from a profusion of buds...
Onion relative from the Mediterranean region and western Asia that creates an attractive silhouette. S...
From New Zealand. Tiny gray leaves form a very tight carpet to 1/2 in. high and 1 ft. wide; stems...