Overview
Corydalis buschii is a clump forming herbaceous perennial in the genus Corydalis, part of the Papaveraceae family, with deciduous, evergreen foliage. Corydalis buschii grows best in partial shade, and tolerates loam soils and any pH. Its UK hardiness is rated H5. Suggested uses include rock garden, patio and container plants, cottage and informal garden, flower borders and beds and underplanting of roses and shrubs.
About
Corydalis buschii is a clump-forming herbaceous perennial belonging to the genus Corydalis, which includes tuberous or rhizomatous plants with ternately or pinnately lobed leaves and racemes of spurred, tubular flowers. This cultivar features deciduous to evergreen foliage and thrives in partial shade with exposure ranging from sheltered to exposed sites. It prefers moist but well-drained loam soils of varying pH and is hardy to UK zone H5. Suitable for rock gardens, patios, flower borders, and underplanting, it is best planted after the last frost and can be propagated by division or seed sown as soon as ripe.
About the genus
Corydalis is a genus of about 540 species of annual and perennial herbaceous plants in the family Papaveraceae, native to the temperate Northern Hemisphere and the high mountains of tropical eastern Africa. They are most diverse in China and the Himalayas, with at least 357 species in China. Corydalis species are the only dicots having only a single cotyledon.
Wikipedia contributors, "Corydalis", CC BY-SA 4.0 — Corydalis
Growing conditions
Best soil and position for Corydalis
- Sunlight
- Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Corydalis buschii size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous, Evergreen
- Suggested uses
- Rock garden, Patio and container plants, Cottage and informal garden, Flower borders and beds, Underplanting of roses and shrubs
Care notes
Pruning and caring for Corydalis buschii
- Propagation
- Division, Seed sown as soon as ripe
- Pest resistance
- Slugs, Snails
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Corydalis buschii?
Corydalis buschii prefers partial shade. It suits exposed and sheltered positions.
What soil does Corydalis buschii need?
Corydalis buschii grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Corydalis buschii hardy in the UK?
Corydalis buschii has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Corydalis buschii?
Division, Seed sown as soon as ripe.
More in the Corydalis genus
- Corydalis 'Blackberry Wine'
- Corydalis bulbosa
- Corydalis caseanaSierra fumewort
- Corydalis cashmeriana
- Corydalis chaerophylla
- Corydalis luteayellow corydalis
- Corydalis lydica
- Corydalis nobilisgreat-flowered fumewort
