Corydalis linstowiana

£2.00

A curious biennial Corydalis. It’s cream flower and ferny bronze-ish foliage are understated, but it’s interest lies in it’s peculiar growth habit, stem shape and twisted seed pods.

Availability: 5 in stock

Should you, like me, be lost in the wormhole that is the Corydalis genus, might I suggest that you join me in the sub-wormhole that is biennial Corydalis. There’s C. heterocarpa, a showy yellow number; C. ophiocarpa, a curious and unusual thing; and then the hidden gem that is Corydalis linstowiana.

Corydalis listowiana etymology

 

I say it’s a biennial, but C. linstowiana doesn’t take this title seriously. I have one plant that’s in it’s third year, and I’ve recently found one flowering away in it’s first year. I share a deep affinity with such an approach: rules are necessary unless they get in the way of what I want to do.

Corydalis listowiana map

I described it as a ‘hidden gem’ earlier and perhaps I should qualify this. ‘Hidden’ because of lower status that seems to be awarded to the biennial Corydalis: amongst alpine enthusiasts, the tuberous species are highly prized, and the more general gardener seems to wax lyrical about the herbaceous, blue flowered C. flexuosa and friends. The biennials are lesser known and lesser loved. ‘Gem’ because it’s diminuitive beauty is a delight to behold. Firstly the leaves; finely divided and patterned in shades of green that are particularly bold in the younger leaves. The flowers are light blue at the tail, dark blue on the lips, and white on the nose. The seed pods dangly down from the stem and the seeds ripen, the two sides of the pod spring back in little curls and fling the seeds asunder (they are particularly prone to this when touched). I’m sure the roots are lovely too.

To explore further:

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For some gardens, the perennial blue flowered Corydalis are a bit problematic. They like a bit of moisture, and spots that dry out too much aren’t really suitable. Corydalis linstowiana, being shorter lived, is more used to making a go of things. Biennial plants are often opportunists and more tolerant of difficult growing conditions. If you’re after blue flowered Corydalis, but don’t get on with the perennials, C. linstowiana could well fit the bill.

Flower colour

Blue

Flowering period

June to August

Height and spread (cm)

20 x 20

Number of seeds

30

Position

Most conditions are suitable, with the exception of extremely dry areas.

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