This is a small genus of herbaceous. These plants have tuberous roots.

These are only hardy in mild climates.

C.lutea grows to around a foot, producing narrow leaves with spikes of yellow flowers.

When cultivating, plant them in spring with a peaty soil. Located in a location with some shade and protected from the frost and harsh winter weather.

To propagate, take their seeds and sow them in a cold frame during August.

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