Penstemon 'Blue Buckle' is a long-blooming variety with deep lavender-blue flowers in early summer. The flowers crowd together on the stems, making a colorful display.
This short and stocky penstemon looks terrific at the front edge of the border. Also known as Upright Blue Beardtongue.
Hardy in zones 5-9. Stratify 6 weeks.
height 12"
