Talk:Dryad/@comment-76.103.173.20-20120113060343/@comment-4674838-20120113061001

1) Query your room and make absolutely sure that it says "This housing is suitable." (assuming you have patch 1.1/1.1.1). If it doesn't, read the Home page.

2) NPCs won't spawn at night, or if there's a Goblin Invasion happening. Otherwise, as long as it's day, the Dryad should spawn and move into your house, it just might take some time.

3) You could try beating another boss to see if that helps, though this shouldn't be necessary. If the Dryad won't spawn when you've met these conditions, then that's a bug, and I don't know if there's any good bug fix besides making a new world and trying again.