Two weeks before you want to use them in your nucs. Right Michael?
Originally Posted by Natural Resources
I usually start making my splits in SC around the 15th of March. I've used a method of making splits w/ a frame that has some eggs in it, so they can raise their own queen. This year I'm going to get queen cells from a friend of mine, so I can get them earlier and hopefully have stronger colonies before it's time to go north.
I'm not sure how where I have my bees compares to where yours are, so maybe you should ask someone close to you.
Squeak Creek Apiaries