Pink Rose Mallow (Lavatera trimestris) is an annual flowering plant that brings cottage garden charm to any sunny border with its delicate pink blooms and sturdy, bushy growth habit. This cultivar thrives across hardiness zones 2 through 11, reaching 24 to 48 inches tall with a graceful spread of 12 to 18 inches, making it substantial enough to anchor a garden bed without overwhelming nearby plants. Sown directly into the garden after the last frost or started indoors 6 to 8 weeks earlier, Pink Rose Mallow rewards gardeners with reliable, abundant flowering throughout the season, asking only for full sun and well-prepared soil.
Full Sun
Moderate
2-11
48in H x 18in W
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High
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Pink Rose Mallow produces abundant, showy pink flowers on plants that grow into full, rounded mounds of foliage. The flowers appear reliably in sunny locations and the plant tolerates direct sowing as well as indoor seed starting, giving gardeners flexibility in how they grow it. Its hardy range spanning zones 2 through 11 means it can be grown almost anywhere in North America, and its mature size of 24 to 48 inches tall makes it a substantial yet manageable addition to the garden.
Pink Rose Mallow is grown primarily as an ornamental flowering plant for garden beds, borders, and cottage-style plantings where its pink blooms add color and visual interest throughout the growing season.
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Start seeds indoors 6 to 8 weeks before your average last frost date. Maintain soil temperature at 65 to 70 degrees Fahrenheit for reliable germination. Transplant outdoors after the danger of frost has passed.
Transplant seedlings outdoors 1 to 2 weeks after your average last frost date, or after all danger of frost has passed. Space plants 12 inches apart to allow room for their mature spread of 12 to 18 inches.
Direct sow seeds outdoors 1 to 2 weeks after your average last frost date. Sow seeds at a depth of 1/8 inch and thin seedlings to 12 inches apart when they reach 1 inch tall.
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