Beachhead Iris, Canada beachhead iris, Wild flag

Iris setosa

Physical Characteristics

Iris setosa is a PERENNIAL growing to 0.6 m (2ft) by 1 m (3ft 3in) at a medium rate. See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. It is in flower in June, and the seeds ripen in August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: mildly acid and neutral soils and can grow in saline soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil.

Distribution

Northwestern N. America, coastal regions of E. Asia to Japan.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Bog Garden;

Edible Uses

Edible Parts: Root Edible Uses: Coffee Root - yields an edible starch[2, 105, 177, 183]. Caution is advised, see the notes above on toxicity. Roasted and ground seed is a coffee substitute[46, 61, 183, 257].

Medicinal Uses

Laxative A decoction of the root is used as a laxative[257].

Known Hazards

Many plants in this genus are thought to be poisonous if ingested, so caution is advised[65]. The roots are especially likely to be toxic[238]. Plants can cause skin irritations and allergies in some people[238].