Penstemon 'Purple Giant'
Common name(s): beardtongue
Description: perennial; red-purple flowers on long burgundy stems above mid-green foliage. Very vigorous. Blooms summer into autumn.
Height: to 40 in. Spread: to 40 in.
Position: full sun and well-draining soil
Uses: ornamental, to attract pollinators
Winter Hardiness: to 0 F and below