Look in small, neighborhood Nurseries. You won't find them in the big, box stores like Home Depot or Lowes. You must have small garden nurseries in your area.

They always sell the ladybugs. Mine does. I live in Sarasota.

Jane

Keep in mind that the ladybugs will eat all your aphids then fly away trying to find other food. They may not even stay long enough to eat your aphids. I was told to release them at night, so they won't fly off. They'll sleep all night, then look for food in your garden the next day.

Do you have a Pike Nurseries? They're giving away a complimentary packet of (150) ladybugs this weekend w/ purchase and they also sell them in larger quantities.

So ace hardware store will sell them from time to time.

I bought mine online. They hung around for quite a while. It was a fun little activity to do with my kids.