Overview

Molinia caerulea subsp. arundinacea 'Skyracer' is a clump forming, tufted grass like in the genus Molinia, part of the Poaceae family, with deciduous foliage. It typically grows around 1.5-2.5 metres tall and 1-1.5 metres wide, reaching full size in around 2-5 years. Molinia caerulea subsp. arundinacea 'Skyracer' grows best in full sun and partial shade, and tolerates most soils and neutral and acid pH. Its UK hardiness is rated H7. It is a holder of the RHS Award of Garden Merit. Suggested uses include coastal, cottage and informal garden, gravel garden, prairie planting and wildlife gardens.

About

Molinia caerulea subsp. arundinacea 'Skyracer' is a clump-forming, deciduous grass that reaches heights of 2.1 to 2.4 meters. It features slender, linear leaves that are a muted grey-green. From summer through autumn, it produces delicate plumes of small, dark purple flowers atop upright stems that have a hint of yellow. As autumn progresses, both the leaves and stems transition to a golden-yellow hue.

About the genus

Molinia consists of tufted, deciduous perennial grasses characterized by flat, narrow leaves and upright stems that support loose flowering panicles during the summer months.

Growing conditions

Best soil and position for Molinia

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam, Sand
Soil pH
Neutral, Acid
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing, North-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Molinia caerulea subsp. arundinacea 'Skyracer' size, habit and characteristics

Plant type
Grass Like
Habit
Clump forming, Tufted
Foliage
Deciduous
Height
1.5-2.5 metres
Spread
1-1.5 metres
Time to full height
2-5 years
Suggested uses
Coastal, Cottage and informal garden, Gravel garden, Prairie planting, Wildlife gardens

Care notes

Pruning and caring for Molinia caerulea subsp. arundinacea 'Skyracer'

Cultivation
Will grow in full sun or part shade in any moderately fertile, moist but well-drained soil, but prefers neutral to acidic soil. See ornamental grasses cultivation
Pruning
Cut down dead foliage and old flowered stems, just before growth commences in spring
Propagation
Propagate by division in spring. Pot up until established
Pest resistance
May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale
Disease resistance
May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus

Frequently asked questions

How do I grow Molinia caerulea subsp. arundinacea 'Skyracer'?

Will grow in full sun or part shade in any moderately fertile, moist but well-drained soil, but prefers neutral to acidic soil. See ornamental grasses cultivation.

Where is the best place to plant Molinia caerulea subsp. arundinacea 'Skyracer'?

Molinia caerulea subsp. arundinacea 'Skyracer' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Molinia caerulea subsp. arundinacea 'Skyracer' need?

Molinia caerulea subsp. arundinacea 'Skyracer' is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers neutral and acid soil. Aim for soil that stays moist but well-drained.

How do I prune Molinia caerulea subsp. arundinacea 'Skyracer'?

Cut down dead foliage and old flowered stems, just before growth commences in spring.

How big does Molinia caerulea subsp. arundinacea 'Skyracer' grow?

Molinia caerulea subsp. arundinacea 'Skyracer' reaches a height of 1.5-2.5 metres and a spread of 1-1.5 metres. It takes around 2-5 years to reach full size.

Is Molinia caerulea subsp. arundinacea 'Skyracer' hardy in the UK?

Molinia caerulea subsp. arundinacea 'Skyracer' has a UK hardiness rating of H7.

How do I propagate Molinia caerulea subsp. arundinacea 'Skyracer'?

Propagate by division in spring. Pot up until established.