Description
I don’t think I need to write too much about the lord of the Corydalis. Wonderful bluish-green foliage, cold hardy, reliable, handsome, floriferous, fragrant…; we allow him a few ‘minuses’ like going dormant in mid summer.
It may start to self-seed, like most other Corydalis, but it takes a while for this species which seems to be self-imcompatible. So, keep just one and there will be no seeds.
It can flower starting in the third year when started from seeds; I recommend to grow it with a fair good amount of sun; too much shade will make for leggy specimens.
Germination: Sow in pots asap and leave outdoors for the winter or sow directly in the garden as explained for other Corydalis: Growing Corydalis & allies from seeds.
Grow the seedlings in the same pot for at least 2 years then plant it in the garden when dormant (it forms a rhizome, which will become very large in time).
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