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Northwest Blooms · Perennials

Corydalis flexuosa ‘Porcelain Blue’

Hillier Porcelain Blue Corydalis

Corydalis flexuosa ‘Porcelain Blue’
Family
Papaveraceae
Height
12-15 inches
Width
12-18 inches
Flower color
Sky blue with a white throat
Foliage color
Blue-green
Bloom time
Late spring to early summer
Light
Partial shade to full shade
Water
Moderate, prefers moist, well-drained soil
Maintenance
Low
Wildlife
Bees and other pollinators

About this plant

Corydalis flexuosa 'Porcelain Blue' is an impressive perennial plant prized for its vibrant blue flowers and delicate, fern-like foliage. Native to the woodland regions of China, it is well-suited to shaded garden areas, offering a long-lasting display of blooms from spring to early summer. In late spring to early summer, 'Porcelain Blue' produces a profusion of sky blue, tubular flowers with distinctive white throats on slender, arching stems above blue-green, finely divided foliage. The leaves form a lush, dense mound that remains attractive throughout the growing season. Versatile and attractive, 'Porcelain Blue' is an excellent choice for woodland gardens, shaded borders, and rock gardens, pairing beautifully with other shade-loving plants like ferns, hostas, and hellebores. Its appeal to pollinators also makes it valuable for supporting local biodiversity.

Works well in

Borders · Shade Gardens · Woodland Gardens · Pollinator Gardens · Rain Gardens

Companion plants

Solomon's seal · Ferns · Lungworts · Wild ginger · Hellebores · Japanese forest grass

Design tip

The long summer show pairs well with plants that peak earlier, keeping one area interesting for months. Keep it out of hot afternoon sun and layer it with woodland companions for a full, settled look.