Family: Poaceae

Scientific Name: Leymus arenarus

Common Name: Lyme Grass, Dune Grass


Blue Lyme Grass (Leymus arenarius) is an aggressive spreading grass with glaucous blue foliage. When used in a flower pot the stems can be going every which way. I tell people it has a perpetual bad hair day

Plant TypeGrass Ornamental, Site author's observations
Hardiness Zone4
Moistureaverage, drought tolerant
Soil & Siteaverage, sand
Temperaturecool weather grass
Flowersinflorescent is a narrow spike, starting blueish than turning to a tan color borne on 3-4 foot flower stems
Leavesblue to bluish gray foliage (glaucous), spreads by rhizomes
Dimensions3 plus feet
Maintenancecan spread aggressively by rhizomes, less aggressive in heavier soils
Native Sitesand dunes
Misc FactsThe genus Leymus is an anagram of Elymus the original genus name. Leymus is Greek for millet. Arenarius is relating to sand. aka: Blue Lyme Grass, Blue Wild Rye, Dune Grass, Sand Rye Grass, Blue Dune.
Author's NotesI have grown many plants and this is about the most aggressive spreader I have come across.
Notes & Reference#92-The Encyclopedia of Ornamental Grass (John Greenlee), #103-The Color Encyclopedia of Ornamental Grasses (Rick Darke)
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