Plant Finder Features How It Works Pricing Testimonials Blog

The UK's leading eCommerce platform for horticulture businesses.

Product

Features
How It Works
Pricing

Company

About
Blog
Contact

Legal

Twitter LinkedIn

penstemon 'Heavenly Blue' | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

penstemon 'Heavenly Blue'

Penstemon heterophyllus 'Heavenly Blue'

Pollinator Friendly

Genus: Penstemon
Family: Plantaginaceae

About this plant

a spreading, woody-based, semi-evergreen perennial to 50cm tall, with narrow, dull, bluish-green leaves. The pinkish-blue flowers, tubular with an open, lobed mouth are about 3cm long and produced in long spikes in summer and autumn

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayLoamSandy

AcidAlkaline

Not Currently Available

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

Neutral

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in moderately fertile, sharply-drained soil in full sun in a sheltered situation. May need a dry winter mulch in frost prone areas. Will tolerate some shade, but flowers less well. See penstemon cultivation

Pruning

Deadhead regularly, or after flowering shorten flowered stems by half, to encourage further flowering. Cut back to about 15cm in spring, after frost as passed, to maintain a compact shape

Propagation

Divide in spring, or take softwood cuttings in early summer or semi-ripe cuttings in midsummer

Pests

Slugs and snails, aphids and leaf and bud eelworm may be troublesome

Diseases

May be affected by grey moulds, powdery mildews and fungal leaf spot

Garden Uses

Uses

Flower BordersCottage InformalGround CoverHedging ScreensWall Side Borders

Planting Places

IndoorWall TrainedOutdoor

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years