Perennial flower
Foxglove Beardtongue plant profile
Penstemon digitalis
A perennial flower for full sun.
Last updated .
When to plant
When to plant Foxglove Beardtongue
Plant in full sun to light shade in well-drained, moist to dry loamy soil; it tolerates clay if it drains well. Use it in small groups in a native or pollinator garden, naturalized area, or border.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Foxglove Beardtongue in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Hardiness
- Zones 3 to 8Find my hardiness zone
Next steps
Continue with Foxglove Beardtongue
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Penstemon digitalis (Foxglove Beardtongue, Smooth Beardtongue)
NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.