Free plants? Yes, nothing to pay and no swap required. Over the winter we added a new 'free' tick box on the plant listing form and quite a number of Growers…
Protect crowns in first winter after planting. Long, thong-like roots make plants difficult to eradicate if wrongly placed. Keep watered in dry periods.
Divide clumps in autumn.
Pests, diseases or disorders
Powdery mildew may be a problem. Also, snails and caterpillars may damage new growth.