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Sidalceas are heavy blooming, somewhat rare perennial mallows which produce bright, saucer-shaped flowers (which resemble hollyhocks) on long, slender stems. They attract hummingbirds and butterflies, and are excellent cut flowers. Sidalcea plants are true perennials that grow to 3 feet tall. Winter hardy to zone 5.
'Party Girl' Sidalcea celebrates summer by wearing zillions of bright pink flowers.
Sow Sidalcea seeds in 2 inch pots or cell packs, press into soil and lightly cover. Kept at 70° F., germination is in 14-28 days. Can direct sow into prepared seed beds, in groups of 3-4 seeds spaced 18-24 inches apart. Thin to the strongest plant.
Comments: Full or part sun. Sidalcea plants grow in any soil with good drainage, and regular water. Sidalcea flowers attract hummingbirds and butterflies, are excellent for cutting. Cut back after first flush of flowers to promote further bloom. Some flowers the first season when started early, much heavier flowering the second season. Often self-sows.