Thank you Matt, I am glad that you enjoyed reading the article. Spring is definitely underappreciated by many photographers, which is a great reason to get out there and take it on as a project.
There is a good discussion about processing spring color and separating yellow/green with HSL sliders in a recent landscape critique post by @George_Kalantzes, based on his wonderful image, “Illuminated Morning” an image of spring cottonwood trees.