Local honey is a good start. Some local beekeepers will also have bee pollen available, which supposedly is a stronger remedy. Check a local health food store and see if they have a good homeopathic supplement. These use natural ingredients and help your body adjust to the allergens. Vacuum the heck out of your house and try to get rid of as much dust as possible, as dust mites might be aggravating your allergies. The well-known natural physician Dr. Andrew Weil also recommends taking nettle and quercetin. Here is more advice from him:
http://www.drweil.com/drw/u/QAA106632/seasonal-allergies#_ga=1.145111537.45747633.1463164584