Penstemon 'Heavenly Blue' (Heavenly Blue Penstemon) — perennial

Overview

Penstemon 'Heavenly Blue' is a perennial in the genus Penstemon, part of the Plantaginaceae family. Penstemon 'Heavenly Blue' grows best in full sun, and tolerates well-drained soils. Its UK hardiness is rated H5. Suggested uses include borders, rock gardens and containers.

About

Penstemon 'Heavenly Blue' is a perennial cultivar of the Penstemon genus, known as the beardtongues, which comprises around 280 species native to North America. This cultivar thrives in full sun and prefers well-drained soil with moderate moisture. Hardy to UK zone H5, it is suitable for borders, rock gardens, and containers. Once established, it is drought tolerant. After flowering, cutting back encourages bushier growth. Propagation can be done by seed or softwood cuttings.

About the genus

Penstemon, the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.

Wikipedia contributors, "Penstemon", CC BY-SA 4.0 — Penstemon

Growing conditions

Best soil and position for Penstemon

Sunlight: full sun
Soil type: well-drained
Soil moisture: moderate
UK hardiness: H5

Plant details

Penstemon 'Heavenly Blue' size, habit and characteristics

Plant type: perennial
Suggested uses: borders, rock gardens, containers

Care notes

Pruning and caring for Penstemon 'Heavenly Blue'

Cultivation: Prefers well-drained soil and full sun; drought tolerant once established.
Pruning: Cut back after flowering to encourage bushier growth.
Propagation: seed, softwood cuttings