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

oysterplant | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

oysterplant

Mertensia maritima

Drought Resistant

Genus: Mertensia
Family: Boraginaceae
Common Names: gromwell, oysterleaf, sea bugloss, sea lungwort

About this plant

M. maritima is a spreading, prostrate perennial with fleshy, blue-grey-green leaves, up to 10cm long, and branched clusters of bright blue, bell-shaped flowers opening from pink buds in early summer

Growing Information

Height

Up To 10 Cm

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

Sandy

AcidAlkalineNeutral

Not Currently Available

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

Moisture

Well Drained

Aspect

East FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in sharply-drained, gritty soil with low fertility in full sun with some midday shade

Pruning

Cut back after flowering

Propagation

Propagate by seed sown in containers in a cold frame in autumn; keep young plants shaded and do not allow the soil to dry out. Divide plants carefully as new growth begins in spring

Pests

May be attacked by slugs and snails

Diseases

Generally disease free

Garden Uses

Uses

Flower BordersGround CoverHedging ScreensPatio Container

Planting Places

Conservatory

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

Up To 10 Cm

Spread

0.1-0.5 Metres

Habit

Submerged

Time to Full Height

Five To Ten Years