Iris Missouriensis (Western Blue Flag)

Iris Missouriensis Seeds (Western Blue Flag Seeds)

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Delicate blue-purple to lilac flowers with a dark yellow-orange stripe down the middle of the petal. It is in flower from May to June.

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Iris missouriensis commonly named Western Blue Flag, perennial that grows at higher elevations, in mountainous areas of California. Native to western North America, it is found in moist grassy places and wet meadows. This perennial growing to 0.75 meter by 1 meter. Iris missouriensis rivals the most beautiful orchid. The flowers are consisting of 3 sepals and 3 petals. Delicate blue-purple to lilac flowers with a dark yellow-orange stripe down the middle of the petal. It is in flower from May to June. Iris missouriensis typically has leaves and flower stalk about a foot tall, with a 3 inch flower, but it is not uncommon to find Iris growing to 2 feet tall. The duration of Iris missouriensis flowering is determined by the amount of late Spring snow and early Summer rain. The flowers are hermaphrodite, they have both male and female organs. The plant is self-fertile. Iris missouriensis may be found with either simple or branched stems. The leaves are mainly basal, linear, sword-shaped, green, 20-40 cm long, mostly 5-10 mm broad. The plant spreads by means of its modified stems, rhizomes, which are located below the soil surface. Hardiness zones 3-8, (-37°C/-35°F, -10°C/15°F) in Winter. This is a plant for a sunny location, moist in Spring and drying out in Summer. Easily grown in a sunny position as long as the soil is wet in the Spring. Intolerant of stagnant water. It can grow in semi-shade or no shade. The plant prefers light sandy and medium loamy soils.
Label No
Common name Western Blue Flag
Family No
Genus No
Species Iris missouriensis
Cultivar No
Therapeutic uses No
Germination First, you can scarify the seeds to try to speed up germination. For faster germination, soak the seeds in slightly hot water for 24-48 hours, followed by 3 months cold stratification before sowing, 1/4 inch deep, in your soil. Keep damp soil, not soaking wet. Keep pot in warm situation 20°C/68°F. Germination usually takes several months. It can be more, depending on their degree of unbroken dormancy, don't give up.
Scarification / Stratification Seed coats may be so hard that they are impermeable to water. They need to be scratched or broken using a knife or sandpaper, in order to germinate. Chip the seeds with a sharp knife or make a few swipes with a sharp edged file or use sandpaper to allow moisture being more readily absorbed.

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