Corydalis ochroleuca

Long-blooming pale corydalis. (Photo by Brendan Zwelling)

Monkshood and corydalis still blooming

Judith Adam

Two perennials are carrying on like this is the moment they’ve been waiting for: the azure monkshood (sometimes known as wolfsbane) and the yellow fumewort, Corydalis lutea, and its cousin, C. ochroleuca, the white and yellow fumewort.