About

A dwarf, semi-evergreen perennial to 15cm tall, forming a compact clump of flattened, linear leaves, each with yellow stripes along the margins. From late spring to late summer it produces a succession of sky-blue flowers with a small yellow eye.

About the genus

Sisyrinchium can be annuals or rhizomatous perennials forming a clump of narrowly sword-shaped leaves with erect stems carrying solitary or clustered, star-shaped or bell-shaped flowers in spring or summer

Growing conditions

SunlightFull sun
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH4

Plant details

Plant typeAlpine Rockery, Grass Like
HabitTufted
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesGravel garden, Patio and container plants, Rock garden

Care notes

CultivationGrow in any moderately fertile, moist but well-drained soil in full sun. Suitable for a rock garden or alpine trough in soil that does not dry out. May have the potential to become a nuisance as seeds prolifically
PruningNo pruning required
PropagationPropagate by division in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free