Foxglove beardtongue

Penstemon digitalis

Penstemon digitalis: Close up of flower

Foxglove beardtongue produces tall clusters of white tubular flowers above a clump of foliage, bringing spring-to-summer flowers to borders and open planting.

Height
60–122 cm / 2–4 ft
Spread
45–61 cm / 1.5–2 ft
Light
Full sun / Partial shade
Soil moisture
Dry / Moist, well-drained
Flowering
Spring, Summer
Maintenance
Low
USDA zones
3a–8b
Check what suits your garden

Planting

Choose sun or light shade and moist to dry loamy soil. Clay is suitable when it drains well; plant in small groups in borders or naturalised areas.

Care

It needs little routine care in suitable soil. Check drainage in heavier beds, since its tolerance of clay depends on water being able to escape.

A landscaping crew planting and finishing a garden

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Sources & photo credit

Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.