Wolf ... general consensus is - water temps need to be above 70deg ... Full Moon period (several days before, to several days after) ... usually thru the months from April - Sept (depending on water temps) ... 2-6ft of water depth ... on sandy bottom, pea gravel bottom, or around stumps/wood cover or sparse vegetation.
If you can't visually see a Bluegill bedding site ... you may be able to smell one. Many people say the odor is something like very ripe watermelon. Others state that you should look for lots of bubbles rising in a specific area.
... cp