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Glyceria plicata is a perennial plant that can grow up to 0.75 metres tall.
It has edible uses.
Europe, including Britain, south and east to N. Africa, W. Asia and N. America.
Streams and watersides in coniferous woods, open meadows, water meadows, marshy valleys, freshwater lakes on limestone or volcanic substrates, sandy flood plains, pools, ditches etc[
Requires wet conditions or shallow water.
]. No more details, but the seed is very small and fiddly to harvest[
Seed - sow spring in a greenhouse in a pot standing in 3 - 5cm of water. Surface sow the seed, or only just cover it. Germination should take place within 3 weeks. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer.
If you have sufficient seed then it can be sown outdoors in situ in mid to late spring.
Division in 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.