|Kew Rose is a semi-evergreen, with rounded to heart-shaped 3 to 5-lobed, blunt-toothed, gray-green leaves. Grown for their showy, 5 petaled, funnel-shaped bright pink summer flowers, the mallow does best when grown in light soil that is moderately fertile and well-drained. Sun should be full. Will not tolerate cold, drying winds. For annuals, sow in situ, mid to late spring, biennials in midsummer.