I’m sure this was answered but jigs can be fished all season, I’ve hooked on bass in early spring ,summer and fall with no problems.
the trailer I usually use a matching 3” craw my favorite and only color is green pumpkin simply because they work best for me but I’ve caught great fish on black and blue and white also
how to fish is easy. I typically fish them 3 ways
1. drag slowly on bottom
2. swim it
3. jerk it around cover
I’ve caught fish using all these methods and there all pretty consistent(try all methods and is the one that the fish bite on)
one last thing is a lot of times the fish act right away once jig hit the water so watch that line apon lire hitting water.
last thing is the type of jig. For swimming a jig I like the strike king blue Gill color with green pumpkin strike king 3” swim bait trailer and for slow tempo I like the green pumpkin bico original jig with green pumpkin battle craw from bico (I will be trying the zman 3” green pumpkin craw soon because of durability reason of the zman products)
hope this helps and good luck