Here's a demo in progress. Two images were combined from my garden. I had to tweak the light source
The process is wet into wet with dropped in color. Take a look at the unfinished leaf area on the left side.
I painted a glaze with dropped in red and yellow hues onto the leaf shapes. The shadow patterns were quite complicated and became too busy. I ended up softening edges.
On the right side....take a look at the brick shapes. The line was too distracting so I scrubbed out the edge and added a new geranium leaf to overlap. The process is ever-changing and challenging......hopefully, I'll finish this one up!