Iris sibirica
Siberian sword-lily
Common names: meadow iris
Photo: W. Bulach · CC BY-SA 4.0 · Source
This description was machine-translated.
Description
The Siberian sword-lily *Iris sibirica* grows in a clump and produces narrow, grass‑like leaves from which delicate blue‑violet flowers rise in late spring. It is a beardless iris, making it more robust and low‑maintenance than its bearded relatives. It thrives best in moist to moderately moist sites, such as pond edges, perennial borders, or partially shaded beds. Its graceful growth habit and fine flowers make it a popular focal point among grasses and other perennials. All parts of the plant are poisonous, especially the rhizome; contact can irritate skin and mucous membranes, and ingestion can cause gastrointestinal upset. Keep children and pets away and wear gloves when handling the clumps.
Care instructions
Plant in spring or early fall in a sunny to partially shaded spot with consistently moist soil. Water regularly during dry periods, as the plant tolerates wetness better than drought. After flowering in May–June, cut back spent stems close to the ground; keep the leaves as structural support until autumn. Divide clumps every four to five years in late summer when the center lightens to keep the plant vigorous and flowering. Mulching in winter is unnecessary in the DACH region; the species is adequately winter hardy.
Soil & site
Soil pH
Soil type
moist, nutrient-rich, humus-rich, loamy
Feeding
Medium feeder
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