About
A dwarf, semi-evergreen perennial to 15cm tall, with sword-shaped leaves. In summer, short stems bear a succession of star-shaped, bright yellow flowers to 2cm across. Tolerant of a range of conditions but does best in boggy ground.
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 moisturePoorly-drained, Moist but well-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4
Plant details
Plant typeBogs, Grass Like
HabitClump forming
FoliageSemi evergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesPatio and container plants
Care notes
CultivationGrow in moderately fertile, moist to poorly drained soil in full sun. May have the potential to become a nuisance as seeds prolifically
PruningNo pruning required
PropagationPropagate by division or seed
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free