Corydalis curviflora subsp. rosthornii 'Blue Heron' 02.jpeg
Corydalis curviflora subsp. rosthornii 'Blue Heron' 01.jpeg
Corydalis curviflora subsp. rosthornii 'Blue Heron' 03.jpeg
Corydalis curviflora subsp. rosthornii 'Blue Heron' 02.jpeg
Corydalis curviflora subsp. rosthornii 'Blue Heron' 01.jpeg
Corydalis curviflora subsp. rosthornii 'Blue Heron' 03.jpeg

Corydalis curviflora subsp. rosthornii 'Blue Heron' | Blue Heron Corydalis

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DESCRIPTION
Corydalis curviflora subsp. rosthornii ‘Blue Heron’ forms soft mounds of finely divided, fernlike foliage that set off arching sprays of deep blue, tubular flowers in late spring, often continuing into early summer. Each gently curved bloom carries pale inner tones that create a luminous, airy effect in shaded garden settings. Native to woodland regions of western China, this refined selection reflects the cool mountain habitats where the species was first gathered and later brought into cultivation.

Steady perennial growth and an extended flowering display lend calm color to woodland borders, shaded beds, and protected containers through the milder months of the growing season.

DESCRIPTION
Corydalis curviflora subsp. rosthornii ‘Blue Heron’ forms soft mounds of finely divided, fernlike foliage that set off arching sprays of deep blue, tubular flowers in late spring, often continuing into early summer. Each gently curved bloom carries pale inner tones that create a luminous, airy effect in shaded garden settings. Native to woodland regions of western China, this refined selection reflects the cool mountain habitats where the species was first gathered and later brought into cultivation.

Steady perennial growth and an extended flowering display lend calm color to woodland borders, shaded beds, and protected containers through the milder months of the growing season.

 

  • Family: Papaveraceae
    Height: 8–10 in
    Width: 8–12 in
    Foliage color: Blue-green to gray-green
    Flower color: Deep or sapphire blue, often fragrant
    Bloom time: Late spring through early summer
    Light requirements: Partial shade to full shade
    Water requirements: Evenly moist, well-drained soil
    Maintenance: Low; deadhead to prolong bloom, divide periodically, and protect from summer heat or drought dormancy
    Growing zone: USDA zones 6–8
    Wildlife attractors: Butterflies and other pollinators

    This plant can be seen at Heronswood Garden.

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