Corydalis curviflora rosthornii 'Blue Heron'
Corydalis curviflora rosthornii 'Blue Heron' is a new introduction from China. This outstanding selection could be the best blue flowering Corydalis. Mound forming with fern-like grey-blue foliage. Fragrant intense-blue flowers appear for many weeks from mid Spring to early Summer. Plant in a cool shady, moist position. 25cm x 30cm. Ideal for a moist woodland garden. May go dormant in Summer if it gets too hot and dry.
- Annuals: Perennial
- Architectural: No
- Deciduous: Deciduous
- Flower Colour: intense-blue
- Foliage Colour: grey-blue
- Perfume: yes
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