I can't say I remember finding any on hills with lots of springs, but I suppose every woods is different. I don't think springs are a good determination of good/bad woods. More about how thick/shady the woods is, what type of trees, any other plants around that grow near seng, is the soil too rocky or too sandy, etc.
I have often thought about mountains with creeks or springs that with water available more animals will visit to drink. That if seng is there some animals might help spread seed?
When it usually comes up is relatifve to your area. Here in NC, it's usually sometime inbetween mid march to mid april. However in the great white north [Maine, for example] it's later.
I'm in northern PA, and there are still piles of snow in shady areas. I've never seen a plant poke up out of the dirt before mid-May in my area. The ground here is still frozen rock solid.