Psuedofumaria lutea (Corydalis lutea) - Yellow Corydalis - (Fumariaceae)

This is a plant of light soils, and it is frequently to be seen growing in walls exposed to full sunshine. It has become widely naturalised having escaped from gardens, and is common throughout the UK except in the far north.

Yellow corydalis

Yellow Corydalis in classic position against a wall in full sunshine

 

The first flowers appear in May, and blooming usually continues through until October. The flowers are usually at their best during June and July.

The plant on this page was photographed in West Wales.