Penstemon digitalis (Foxglove Beardtongue) is a hardy, clump-forming perennial that brings clean vertical structure and a long-lasting flower show to your garden. In late spring into early summer, upright stems carry clustered, tubular blooms that read as bright white at a distance, often with a soft tint and fine guide lines that help visiting pollinators. At maturity it typically reaches 36-60 inches tall and spreads about 12-24 inches, making it a strong choice for the mid to back of a border where you want height without a heavy, woody look.

Plant it where you can enjoy the pollinator activity: the nectar-rich flowers draw bees and butterflies, and hummingbirds will also visit. After bloom, the plant forms seed capsules that can provide seasonal interest. If you like a naturalized look, allow some seed to mature; if you prefer a tidier border, you can deadhead after flowering to reduce reseeding and encourage a cleaner finish.

For best performance, grow Penstemon digitalis in full sun to part shade. It prefers well-drained soil and is adaptable to loam and well-drained clay. Keep it evenly moist during establishment; once established it tolerates occasional dry periods better than many tall, flowering perennials. Space plants so air can move through the clump, and avoid consistently soggy sites to support healthy roots.

In spring, cut back old stems to make room for new growth. Taller stems can lean in rich soils or windy spots, so place it among supportive neighbors or use discreet staking if needed. Despite the name, it is not the foxglove (Digitalis) grown in cottage gardens, and you can use it confidently as a native-style accent in borders, pollinator plantings, and meadow-inspired designs.

Specifications

• Cold hardiness zone: 3-8 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 36-60"
• Spread: 12-24"
• Tolerant of: Drought
• Attracts: Butterflies, Hummingbirds
• Good for borders & edging: Yes
• Long bloom time: Yes
• Native to the U.S.: Yes

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