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Penstemon barbatus 'Iron Maiden' | Plant Finder | Fill My Garden

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Plants > Perennials

Penstemon barbatus 'Iron Maiden'

Penstemon barbatus 'Iron Maiden'

Genus: Penstemon
Family: Plantaginaceae

About this plant

An upright, clump-forming, semi-evergreen perennial to 1.2m, with narrowly lance-shaped, mid-green leaves. Loose spikes of slender, tubular, bright scarlet flowers are produced from mid-summer to mid-autumn. This cultivar can be grown from seed

Growing Information

Height

1-1.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

LoamClaySandy

AcidAlkaline

Not Currently Available

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

Neutral

Moisture

Well Drained

Aspect

West FacingEast FacingSouth Facing

Exposure

ExposedSheltered

Care Guide

Cultivation

Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant over winter with a dry mulch. See penstemon cultivation

Pruning

Regular deadheading can encourage a longer flowering season. In autumn, cut back to by about a third to tidy and reduce windrock, but leave enough to protect the crown over winter. In mid- to late spring cut back to lowest new shoots

Propagation

Propagate by seed, by softwood cuttings in early summer or semi-ripe cuttings in midsummer

Pests

May be susceptible to aphids, slugs, snails and chrysanthemum eelworm

Diseases

May be susceptible to Powdery mildews

Garden Uses

Uses

Ground Cover

Planting Places

OutdoorIndoor

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

1-1.5 Metres

Spread

0.1-0.5 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years