About

A bulbous iris from Central Asia with narrow, linear, grey-green leaves and solitary, pale lavender flowers with slightly diffuse (subdecolorata) colouring, borne in spring. A specialist iris for a warm, sunny, very well-drained rock garden or alpine house.

About the genus

Ostrowskia includes herbaceous and sometimes woody species grown for their ornamental merit. The genus is represented in gardens by selected species and cultivars suited to a range of growing conditions

Plant details

Suggested usesBorders, containers, mixed plantings.

Care notes

CultivationPlant in well-drained soil. Water during establishment.
PruningRemove dead growth as needed.
PropagationPropagate by division, cuttings, or seed.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.