Plants > Perennials

Penstemon alpinus

Penstemon alpinus

Genus: Penstemon
Family: Plantaginaceae

About this plant

Penstemon alpinus is a semi-evergreen perennial or sub-shrub up to 80cm tall with lance-shaped leaves. In early summer, blue to bluish-purple flowers, 2-3cm long, are borne on one side of stems

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

H6

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full Sun

Soil

ClayLoamSandy

pH

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Well Drained

Aspect

West FacingSouth FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in a gritty, sharply-drained soil in full sun

Pruning

Deadhead after flowering

Propagation

Propagate by seed or from softwood or semi-ripe cuttings

Pests

Slugs, snails, aphids and leaf and bud eelworms

Diseases

Grey mould, powdery mildews and fungal leaf spot

Garden Uses

Uses

Hedging ScreensPatio ContainerWall Side Borders

Planting Places

Conservatory

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years