Moisture retentive soil
Well drained soil
Physostegia virginiana 'Rosea' produces densely packed spikes of individual two-lipped pink flowers during the summer. Beneath the flower spikes lance-shaped green leaves with a serrated margin cover
From late summer into autumn 'Vivid' puts on an eyecatching display of tall, pale mauve flower spikes, each densely packed with individual bugle-like flowers with speckled throats.