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Iris sanguinea is a perennial plant that can grow up to 0.75 metres tall.
It has medicinal and miscellaneous uses.
Many plants in this genus are thought to be poisonous if ingested, so caution is advised[
]. The roots are especially likely to be toxic[
Plants can cause skin irritations and allergies in some people[
E. Asia - Korea, Japan.
Damp meadows, sunny pond banks, mountain stream banks and hillsides around 500 metres[
An easily grown plant, it prefers a humus-rich soil[
], succeeding in a moist border or by water[
]. Grows well in heavy clay soils.
Plants are very cold tolerant, but they can be damaged when dormant if the soil is too moist[
A very ornamental plant, there are some named varieties[
Plant the bulbs out very shallowly[
Members of this genus are rarely if ever troubled by browsing deer or rabbits[
An insecticide is obtained from the plant[
]. (from the root?)
Seed - best sown as soon as it is ripe in a cold frame. Stored seed should be sown as early in the year as possible in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse or cold frame for their first year. Plant out into their permanent positions in late spring or early summer.
Division, best done in mid summer to early autumn after flowering but can also be done in mid spring. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.