About
This clump-forming perennial producing slender, upright stems sheathed with grass-like leaves. The flowers are 2cm long, nodding, bell-shaped and a rich purple with a satiny texture. They appear in early spring.
About the genus
Olsynium are fibrous-rooted, clump-forming perennials. They have mostly basal, stem-clasping, linear or lance-shaped leaves and nodding trumpet to bell-shaped flowers in spring
Growing conditions
SunlightPartial shade
Soil typeLoam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectNorth-facing, East-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeAlpine Rockery, Herbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height0.1-0.5 metres
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesGravel garden, Patio and container plants, Rock garden
Native toW Canada W USA
Care notes
CultivationGrow in moist, humus-rich, moderately fertile soil in semi-shade
PruningNo pruning required
PropagationPropagate by seed sown in containers in a cold frame in autumn
Pest resistanceGenerally problem free
Disease resistanceGenerally problem free