Physostegia

The dense spikes of purplish-pink, tubular, often speckled, flowers are held atop sturdy, 3' high stems in summer. This is an imperiled species in its native range, you can read more about this plant from the Louisiana Natural Heritage Program here .

Personally I would rather have called it the Foxglove False Dragonhead:) Producing large, often branched, clusters of large pink tubular flowers in summer atop sturdy 4-7' high stems with narrow medium green foliage.

An easy perennial suitable for naturalizing and as an informal ground cover. Vivid Obedient Plant has a compact habit that tops out at about two feet and it will readily spread by rhizomes creating a mass of sturdy stems and flowers.

Dr. Neil Odenwald states that "This is an old perennial that has been grown for many years in gardens across the land." "not that particular about where it will grow.” " This is a good choice for the cottage garden.” Images courtesy of North Creek...

Dr. Neil Odenwald states that "This is an old perennial that has been grown for many years in gardens across the land." "not that particular about where it will grow.” " This is a good choice for the cottage garden.” Images courtesy of North Creek...

With its lovely color and strong vertical effect, it provides an interesting architectural dimension. * Dark green foliage * Attract butterflies * Thrives in full sun Liatris ‘Kobold' has a plant height of 2' and a spread of 12-18” and should be planted...

Many states in the western U.S. have strict regulations regarding water catchment and storage that often prohibit the use of rain barrels, so check with your local ordinances before designing any rainwater catchment system.