Propagation from cuttings
Purple coneflower can be propagated by division of the crowns. This technique results in stronger plants initially and eliminates the tedious nurturing and tending of the slow-growing seedlings (Kindscher 1992). Harvest roots when plants are dormant, when leaves begin to turn brown. Wash roots and remove most for use. Then carefully divide the crown by hand to make one to five “plantlets.” Replant the divisions as soon as possible. It is important that they don’t dry out, so if replanting is delayed a couple of hours, dip the plants briefly in water and keep them in a sealed plastic bag in a cool, shady place until you are ready to replant them. When replanting, ensure that the remaining fine roots are well spread out in the planting hole and the soil is pressed firmly around the plant. These plantlets can be grown in flats in the greenhouse during the winter to re-establish their root systems, then replanted in the field the following spring for another round of production.
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