Eupatorium maculatum ‘Atropurpureum’
Joe Pye Weed. A tall plant with deep reddish-purple stems bearing clusters of long-stalked, oval to lance-shaped, finely toothed leaves which are often tinged purple. From July to September, rounded sprays of purple flowers are borne at the tips of the stems.
Grow in moderately moist soil in full sun or partial shade. It will reach a height of 2.2m and a spread of 1m.