Corydalis cava

Sowing method: First, place in a warm and humid spot for 6-8 weeks (seed swells), then put the seed tray in the refrigerator for 4-8 weeks; an hour of frost is beneficial (germination hormones are activated). Sometimes the seeds already germinate in the refrigerator. Then return to a warmer spot, but no warmer than 10°C. If germination does not occur, repeat the cycle. Outdoor sowing is also possible, provided summer and winter offer suitable conditions. For example, if the winter is too mild, it will take an extra year.

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Sowing/planting time:

• February
• March
• April

Harvesting time:

• March
• April

Soil type:

• All soil types

Cultivation location:

• Indoors
• Outdoors

Position:

• Shade
• Partial shade

• Flower colour: White, pink, or bluish-pink spurred flowers
• Origin: Europe
• Average growth height: Up to 30 cm
• Annual or perennial: Perennial
• Attractive to insects: Various insects
• Winter hardy: Forst hardy
• Ease of cultivation: Advanced

• Latin: Corydalis cava
• Dutch: Hollowroot
• Also known as: Little Bird On The Stool
• English: Hollow Root

• All year round