Corydalis 'Blue Heron'Corydalis 'Blue Heron'

Corydalis ‘Blue Heron’

Our darkest blooming Corydalis features the largest flowers in our collection! Dark gentian-blue flowers float atop stunning red stems and are enhanced by the blue green foliage. This form bloomed all spring and summer for us in Oregon. A marvelous Corydalis collected in Sichuan, China by Mr. Dan Hinkley. Will go summer dormant if it is kept too dry or hot.

USDA Hardiness Zone(s): 6-8
Size (HT/W/FL HT): 8″ / 10″ / 9″
Exposure: Part Shade, Full Shade
Bloom Time(s): May, June, July

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Common Name Corydalis
Family Papaveraceae
Genus
species curviflora var. rosthornii
Plant Type
Persistence Deciduous
US Patent # --
EU Grant # --
Hardiness Zone , ,
Growth Habit
Size (HT/W/FL HT) 8" / 10" / 9"
Finish Time
Bloom Time , ,
Growth Rate
Most Active Growing Season
Flowering Season ,
Flower Color
Leaf Color ,
Soil Average, well-drained.
pH 5.6 - 6.6
Exposure ,
Special Uses
Nutritional Needs 50 ppm
Dormancy Dormant in winter.
Water (Greenhouse) Dry moderately between waterings.
Water (Garden) Keep evenly moist, not wet.
How Different? It has blue green rather than green leaves, and larger, darker blue flowers. It holds up better in the summer heat than the C. flexuosa types.
Landscape Value Use in the shade garden, in a mass planting or edging, as an under-story plant in the woodland, or in a container.
Finish Time to 4" 6 - 8 weeks
Comments Recommend transplanting to a 4" pot from a 72 cell size, not a larger size container.
Grower Notes USE NO CHEMICALS ON CORYDALIS without prior experience.
Corydalis 'Blue Heron' - Product Profile
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Corydalis 'Blue Heron' - Growing Recipe
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Photo(s) courtesy of TERRA NOVA® Nurseries, Inc.
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