About
Koeleria glauca, the grey-blue koeleria, is a semi-evergreen, compact perennial grass forming a neat tuft of narrow, grey-green leaves. In summer it produces silvery-green, cylindrical flowering panicles on upright stems. A neat and ornamental grass for a sunny, well-drained border or gravel garden.
About the genus
Koeleria are annual or perennial grasses forming compact tufts of narrow, linear leaves and narrow, silvery, cylindrical flowering panicles in summer. Neat and ornamental grasses for sunny, well-drained borders and gravel gardens.
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectWest-facing, East-facing, South-facing, North-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeGrass Like
HabitTufted
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Rock garden, Patio and container plants
Native toEurope to C Asia
Care notes
CultivationGrow in medium to light, moderately fertile soil. Thrives in shallow chalky soil but is tolerant of acid conditions
PruningCut back old, flowered stems before seeding or in autumn
PropagationPropagate by seed sown in situ in spring or autumn or by division in mid-spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free