Corydalis calycosa
From Peter Korn in Sweden to Ed Bowen in Rhode Island to us in Port Townsend - an interesting study in anthro-assisted ornamental plant dispersal. Beautiful blue flowers with white throats opening from amethyst buds. This is much slower to increase than the flexuosa/elata group.
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Corydalis omeiana
Choice species (as seen in our shade garden) collected by NW Plant Wunderkind Riz Reyes on Mt Emei in Sichuan. This species is often confused with Corydalis elata in the trade. This selection is quite vigorous with red highlighted new growth and spires of icy blue flowers. Moist.
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Corydalis 'Rainier Blue'
A fine Corydalis collected by Hinkley in Sichuan and there is speculation that it might be a flexuosa x elata hybrid. What we know is that it is an excellent garden plant with loads of light blue flowers which puts on quite the show. Best in light shade or morning sun and moist.
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Corydalis 'Craighton Blue'
Good and vigorous hybrid between two excellent blue species, Corydalis flexuosa and C. elata. This will put on a show in spring into June with lots of vibrant blue, nicely scented flowers on reddish stems which stand above the foliage. Perfect in the shade garden. This will go fairly dormant in the dog days of summer but will start up again in early fall.
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Corydalis 'Spinners'
This is perhaps the first of the hybrids to be introduced between Corydalis flexuosa and Corydalis elata and remains one of the best. Scented blue flowers aging to purplish from mid spring to early summer in moist shade to part sun down to zone 6.
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Corydalis - Far Reaches Select
A chance seedling in our gardens with some affinity to "Purple Leaf' and other clones out of England. The similarities are such that we were reluctant to clutter the field with another named Corydalis but it is good enough to share so an "unofficial" descriptive is our solution. Purplish new leaves and scented lavender-blue flowers.
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Corydalis buschii
Rare little offering from Siberia with very thin creeping rhizomes making a small ferny colony in light shade. One of the last to bloom of the tuberous species, this usually shows its mauve-pink small tubular flowers in May. Loves a woodsy soil which would make a Primrose happy. Very hardy.
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Corydalis 'Tory MP'
This is a hybrid between two of the blue flowered Chinese species, C. flexuosa and C. elata and carries through with blue scented flowers of its own. Named for the conservative members of Parliament or "true blues".
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Corydalis 'Heavenly Blue'
One of the very good blue flowered hybrids combining the best traits of Corydalis flexuosa with those of C. elata. In the Poppy family, this requires light to bright shade and moist soil where it will make a nice patch.
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Corydalis quantmeyeriana
This is related to Corydalis temulifolia 'Chocolate Stars' and has a similar, if smaller, above-ground bulbous rhizome and tons of flowers on long, lax stems The flowers go through color phases of white, pink and dusky purple appearing concurrently during a long flowering period of spring through summer. A remarkable plant.
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Corydalis 'Porcelain Blue'
A fragrant free-flowering and good perennial blue Corydalis. That blue is displayed in a quantity of such a pure intensity that it can leave one in a state of unintelligible, ecstatic glossolalia. It is best to dress accordingly as you want to be looking fine if that happens. To 12"+ and wider, rich and moist.
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Corydalis 'Korn's Purple'
This is a rather luscious selection that arose in Peter Korn's Swedish garden and has soft purple full heads of tubular flowers accented by white throats. Hard to say for sure on parentage - I'm only 100% of my mom - but the thought is that Corydalis capitata is heavily in the mix.
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