Yes, Bjørn, It must be the
Medicago sativa I started to only shoot in the best 30 Minutes in the morning and evening, but after 32 years I feel that I can produce good shots under any lighting condition by adjusting or manipulation with simple means.
Yes, all light-situations are challenges, for approaching the subject f.i. lens-distance. However, some light can help the desired effect you want to accomplish.
Also in that square meter field next to archaeological findings (different farms and houses about 1.200- 1.300, so 800 years old) apart from Papaver, Centaurea cyanus and Cytisus scoparius the
Tanacetum vulgare or Common Tansy. EDIT