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botanical name:
Corydalis wilsonii
Corydalis wilsonii © Deeproot Plant Base
family:  Papaveraceae
characteristics: perennial, evergreen
height: 0.20m
width: 0.20m
growth rate:
growth habit:
leaf colour: blue-green
flower colour: yellow & green
main season: Spring
aspect: part shade, shade
conditions: dry soil, moist soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -18°C
USDA zone: 7 to 8
Evergreen blue-green pinnate leaves. Loose racemes of bright yellow flowers with green markings at the tips. Forms a fleshy tap-root.

Well drained, poor gravelly soil, or will grow in stonework gaps. Best with some shade. Dislikes excessive winter wet.

Alpine house, scree gardens or planting in crevices in stone walls.

other notes:
Native to central China. Introduced by Ernest Wilson.
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