Botanical Name: Corydalis heterocarpa
Common Name: Giant Japanese Corydalis
Category: Hardy Bulb
Seed Count: 30
Corydalis heterocarpa, Giant Japanese Corydalis: New introduction from Japan, this very beautiful clump forming plant is the biggest and the fastest growing of all the corydalis we know. Strong, very divided stems are smothered with masses of delicate, ferny, bright green leaves. From these large multiple flower heads of clear yellow & white each with a brown marking emerge in late winter spring. Will self seed to form a lovely drift. Enjoys humus rich, but well drained moist soil in shade to part shade location. Great for in under large trees . 60cm x 60cm.
Corydalis seed can be sown at any time. Sow seed into good quality compost or seed raising mix. Cover with river sand or compost to seeds own depth. If sown directly into ground seed may not germinate until it dormancy is broken by a period of chilling. (Winter) Or moist seed tray can be placed at 15-20 for 3 weeks then placed in fridge at 4 degrees C in a plastic bag for 8 weeks then kept at on gentle heat of 15-20 degrees C. Seed may still take some months to germinate so do not discard.