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hoyasahoy

Hardiness of Pink Muhly Grass (Muhlenbergia capillaris)

hoyasahoy
14 years ago

I've never succeeded in overwintering Muhlenbergia capillaris in the garden here in Boston, and I know of no local gardeners who have.

The PlantFiles at Dave's Garden (and many other sources) gives its hardiness as Z5a, but though 22 gardeners are listed as growing it on the East Coast, 14 of those are in Florida, and none are north of Newport News, VA. Rick Darke's Encyclopedia of Grasses gives its native range as reaching north to Kansas, Indiana, and Massachusetts, but says its hardiness depends on provenance.

I suspect that all plants in wide commercial distribution are of southern provenance, and are of limited hardiness. Does anyone know of any of northern provenance and proven hardiness at least to zone 6a? Does anyone know of any wild plants from toward the northern end of its range whose seed might be harvested?

Thanks,

Don

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