A pollinator garden provides habitat for and attracts pollen-spreading species. Pollinators make native habitats and food growth possible; therefore pollinator gardens have an essential function to our planet.
Resources for Finding and Planting Pollinator Plants
How to Plant A Pollinator Garden (http://www.fws.gov/pollinators/PollinatorPages/YourHelp.html#garden) guide provides very practical methods on building and maintaining a pollinator garden.
Pollinator Partnership (http://www.pollinator.org/) has several resources on pollinators in general, but most notable is their guide for selecting pollinator plants based on your ecoregion (see here http://www.pollinator.org/guides.htm).
Attracting Pollinators to Your Garden Using Native Plants (http://www.fs.fed.us/wildflowers/pollinators/documents/AttractingPollinatorsV5.pdf) has great descriptions that provide context on the overall importance of pollinator gardens and how they function.
Insects in the Garden (http://blogs.cornell.edu/horticulture/insects/) emphasizes how important pollinators, and insects in general, are to a garden.
Beneficial Insects, Spiders, and Mites in Your Garden: Who they are and how to get them to stay (Home Garden Series) (https://pubs.wsu.edu/ItemDetail.aspx?ProductID=15656&ReturnTo=6) is a more detailed description of the importance of insects in a garden.
The Million Pollinator Garden Challenge (http://millionpollinatorgardens.org/) has resources that link pollinators to the food we eat. It also discusses the function of a pollinator garden and it even has a pollinator garden registry for those interested in taking the challenge.
Monarch Watch (http://www.monarchwatch.org/) is a teacher-network for tracking Monarch Butterfly migration that also sells milkweed.
Organization for Bat Conservation (https://batconservation.org/) has a bat garden
resource guide as well as materials on building a bat house.
Creating a Bird-Friendly Habitat (http://www.nwf.org/How-to-Help/Garden-for- Wildlife/Gardening-Tips/How-to-Attract-Birds-to-Your-Garden.aspx) provides a short and simple guide on attracting bird pollinators.