If you are a huge fan of hydrangeas and would like to be more involved, there are some excellent regional hydrangea societies throughout the United States. Connect with them and grow together!
American Hydrangea Society
http://www.americanhydrangeasociety.org
Cape Cod Hydrangea Society
http://capecodhydrangeasociety.blogspot.com
Mid-South Hydrangea Society
http://www.midsouthhydrangeasociety.com
Alabama Hydrangea Society
http://www.alabamahydrangeasociety.org
St. Louis Hydrangea Society
http://www.stlouishydrangeasociety.org/index.shtml
Would you like to see a garden with beautiful collection of hydrangeas? These are some of the best in the nation and will provide great hydrangea inspiration.
Heritage Museum & Gardens
Located in Sandwich, MA, the Heritage Gardens holds the Cape Cod Hydrangea Garden.
Aldridge Gardens
Located in Hoover, AL, Aldridge Gardens is a 30-acre garden that features many varieties of hydrangeas.
Norfolk Botanical Garden
Boasting 1.5 acres of hydrangeas in the Kaufman Hydrangea Garden, the Norfolk Botanical Garden showcases over 300 hydrangeas representing 20 different species and over 200 cultivars. This 155-acre garden is located in Norfolk, VA.
A great resource for general hydrangea information for many varieties.
http://www.hydrangeashydrangeas.com/index.html