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Family: PoaceaeMain Season: SummerFlower Colour: BrownLeaf Colour: GreenFoliage: Semi-EvergreenPosition: SunSoil Type: Dry, well drainedHeight: 90cm to 1.2m (3' to 4')Peat Free? Not yetHardiness Guide: RHS H4 minimum -5C to -10CPot Size: 9cm
Tight clumps of fresh green leaves and taller, arching stems topped with bristly coppery brown flowers followed by tawny seedheads to 1.2m. Drained soil in sun.
Stipa robusta makes an ideal ingredient in prairie or meadow style plantings as long as it has some space around it, so best in a sparsley planted gravel bed or similar. Has proved to be perfectly hardy as long as it isn't too wet at the root but does tend to be relatively short lived so Stipa robusta is one of those ornamental grasses best replaced with new seedlings when 3-4 years old.
The common name of Sleepy Grass is supposed to refer to it sending grazing animals to sleep!
From south and west USA and adjoining Mexico.