Iris Laevigata (Japanese Water Iris)

Iris Laevigata Seeds (Japanese Water Iris Seeds)

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Best planted well before Spring to ensure it flowers, Laevigata likes to have a well formed set of roots developed before showing of the spectacular, but brief flowers for a week or two late in the Spring.

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Iris laevigata, also named, the Japanese Water Iris and Kakitsubata, is native to Japan, Korea and China, and is growing in swampy places. It is a water-loving evergreen Iris is growing to 30 inches high. The flowers are consisting of 3 sepals and 3 petals. Flowers are a rich blue, always erect; falls with a white midstripe. Unbranched stems bear 2 to 4 flowers. Best planted well before Spring to ensure it flowers, Laevigata likes to have a well formed set of roots developed before showing of the spectacular, but brief flowers for a week or two late in the Spring. The leaves are broad and green. The plant spreads by means of its modified stems, rhizomes, which are located below the soil surface. Hardiness zones 4-9, (-32°C/-25°F, -5°C/25°F) in Winter. This is a true aquatic Iris, requiring a wet site the entire year. Iris laevigata is used frequently in ponds, because it is one of the few Irises which will grow reliably in shallow water. It can also be grown in damp soil. Grow in moist to wet, deep, humus rich, acid soil. This Iris requires sun to partial shade, growing and flowering best in full.
Label No
Common name Japanese Water Iris
Family No
Genus No
Species Iris laevigata
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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