Leymus arenarius 'Blue Dune' · Poaceae

Blue Dune Lyme Grass

✅ Pet-friendlyPerennial, maintaining foliage year-round.30 to 60 cm

LightFull sun

WaterModerate; allow to dry between waterings

DifficultyEasy

ColdTolerates negative temperatures down to minus 15 degrees Celsius.

Full sunModerate; allow to dry between wateringsEasyTolerates negative temperatures down to minus 15 degrees Celsius.

Description & origin

Blue Dune Lyme Grass is a perennial grass with blue-green and silver leaves. Ideal for coastal gardens due to its wind and salt resistance. Thrives in sandy and poor soils.

Size

Remains compact, ideal for low-maintenance gardens.

Foliage

Evergreen foliage that maintains color year-round.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Tolerates sandy and poor soils but requires good drainage.

Watering

Moderate watering, allowing soil to dry between waterings.

Temperature

Resistant to negative temperatures, ideal for coastal climates.

Fertilising

Fertilize once a year in spring with a balanced fertilizer.

Repotting

Transplant in spring or autumn, avoiding extreme heat periods.

Pruning

Remove dry or damaged leaves to keep the plant healthy.

Propagation

Easily propagated by division in spring.

Common problems

Root rot

Occurs in poorly drained soils. Ensure good drainage to prevent.

Yellowing leaves

May indicate overwatering. Adjust watering frequency.

Slow growth

May be caused by lack of sunlight. Ensure full sun exposure.

Uses & curiosities

In the garden

Dune stabilization
Coastal gardens
Low-maintenance gardens

Other uses

Ideal for erosion control in sandy areas.

Did you know…

This plant is often used to stabilize sand dunes due to its extensive root system.