Muhlenbergia dumosa Patagonia Physostegia and well-drained

and well-drained

with rigidly upright green leaves with a very heavy horizontal yellow banding

They resemble our native Isopyrum biternatum

the deciduous clumps are topped with 4' tall sturdy spikes of yellow-orange flowers that result in a midsummer butterfly orgy

but intensely dark raspberry central eye

Muhlenbergia dumosa Patagonia Physostegia and well-drainedOur 2026 Plant Delights JLBG introduction is a more winter hardy selection of the North American (US Mexico) native, bamboo muhly. Our first attempt was from a Yucca Do Mexican collection promoted by JC Raulston in the early 1990s, only to find it lacked any winter hardiness north of Zone 9. Decades later, plantsman Patrick McMillan collected this new, much hardier form, from the Patagonia Mountains in Arizona's Santa Cruz County, at over 4,000'