My older DD does not have grass allergies, but she has tree pollens. Last year she came home from Girl Scout sleep away camp in the midst of an asthma flare. Further testing showed she was now allergic to weeds and molds.
So our plan with the allergist now is to keep her on daily Zyrtec through the summer and also on her asthma meds. We will probably also send her to camp with Nasonex.
I refuse to not let her do the things she loves to do because of outdoor allergens. But the downside to that is she is on a boatload of meds.
Good luck! My best advice is to see an allergist and get her on a protocol that manages her allergies as best you can.
Beth, mom to older DD (8/01) and younger DD (10/06) and always missing Leah (4/22 - 5/1/05)