For those of you in North America who, like me, have an affinity for our pollinating friends of the apis variety, the Xerces Society has compiled a brilliant set of resources from which you can discover how to be a best buddy to the lovely ladies who pollinate. You can find lists of regional native plants preferred by bees, garden plants you can grow to help them out, and more tips and tricks, including less-harmful pesticides, etc.

Also, I believe they have no affiliation with this Xerces (I would totally have an affiliation with Rodrigo Santoro, IFYAKNOWWHATIMEAN):