Yes, it's spring when you start seeing all green!
And specially yellow for a couple of weeks when the Dandelions flower all at the same time.
Dandelion leaves offer a good source of supplementary protein compared to other sources such as vegetable and fruits
Source: (PDF) Nutrient Composition of Dandelions and its Potential as Human
Food a paper by Abdel E. Ghaly, Nesreen Mahmoud and Deepika Dave published in the American Journal of Biochemistry and Biotechnology, 2012, 8 (2), 118-127
I made this photo with a BQ Aquaris M5 in my neighborhood
No wonder cows love it.
Cheers