Barely cover the tiny seeds with soil. Thin or space transplants 45-60cm (18-24″) apart. These vigorous perennials will grow in, closer together over time.
Any ordinary garden soil will work. Plant in full sun to partial shade. Where summers are long, plants are prone to mildew, so avoid overhead watering. Deadhead regularly to prolong the blooming period. These perennial plants spread by rhizome growth, and should be dug and divided every three years.
Pick the leaves as desired for fresh use in the kitchen. For drying, harvest leaves before the flowers open. Cut flowers for drying as soon as they’re fully open. Masses of tiered pink-purple blossoms grow from August until frost.
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