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Whereas some could also be acquainted with Japanese sacred lily (Rohdea japonica, Zones 6–10), Rohdea pachynema is an unusual species that’s certainly a Rohdea much less traveled. Discovered solely within the Chinese language provinces of Yunnan and Sichuan, it’s an intriguing member of the Asparagaceae household that’s slowly changing into extra out there to gardeners. It was previously often known as Campylandra sinensis or C. pachynema, however latest DNA work has moved it into the genus Rohdea, whose title commemorates German botanist Michael Rohde. We are able to discover no documented widespread title for this species, so now we have dubbed it “yellow thread rohdea” since pachynema means “thick thread” (referring to the coloured central stripe on
the leaves).
We suspect that almost all if not all the vegetation of yellow thread rohdea in cultivation are derived from the identical inhabitants on the flanks of Sichuan’s Luoji Mountain. Invoice McNamara of Quarryhill Botanical Backyard (now Sonoma Botanical Backyard) in California was possible the primary to introduce this species to North America. Throughout a go to to Quarryhill some years in the past, we had been immediately smitten upon seeing Invoice’s assortment of this lovely and unfamiliar plant. Our shameless begging labored, and we had been gifted a bit of this treasure.
Later, we avidly learn Invoice’s account of his botanical expedition to Luoji Mountain
after which made our personal go to to that very same 14,300-foot peak. It was like coming throughout an previous pal alongside the path once we noticed yellow thread rohdea rising amongst culms of bamboo. Different collectors have been to the identical mountain on the identical path and undoubtedly availed themselves of this impossible-to-miss colony.
Yellow thread rohdea has sturdy, darkly evergreen, slim leaves reaching
18 inches lengthy or extra that lightly arch and are highlighted by a pale yellow midrib stripe alongside their size. It does flower, albeit the blooms are extra of a curious inexperienced sculptural aspect than one thing to be thought of for a bouquet—which makes one respect the amber tones the flowers tackle as they age. Wanting on the shiny unique leaves and total gestalt, we drew upon our a long time of plant searching and rising uncommon vegetation to conclude that this refined rohdea can’t be very hardy. To our shock, it trash-talked our 10°F dips in winter prefer it ain’t no thang.
It is probably going chilly hardy to Zone 6, although it could maintain some winter leaf injury.
A rhizomatous perennial, yellow thread rohdea spreads nonaggressively however steadily, rising appropriately because it intuits your want for “extra, please” as soon as
you come to understand its understated tasteful magnificence and its zero to minimal
upkeep wants. Deer don’t appear to note it, and it has no notable pest or illness points. With every passing 12 months, we worth all of the extra these vegetation which can be largely self-maintaining, and yellow thread rohdea is simply such a plant.
Yellow thread rohdea
Rohdea pachynema
Zones: 7–10
Situations: A fan of full shade; wealthy, moist to reasonably dry soil
Native vary: China
Sources:
Far Reaches Farm, Port Townsend, WA 360-385-5114; farreachesfarm.com
Retaining It Inexperienced Nursery, Stanwood, WA 360-652-1779; keepingitgreennursery.com
Kelly Dodson and Sue Milliken develop a few of the coolest vegetation on the planet at Far Reaches Farm Nursery and Far Reaches Botanical Conservancy in Port Townsend, Washington.
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