My parents lived with us for 2 summers - 03 and 04.
My dad and I planted two kinds of tomatoes (yuck!), English cucumbers and pickling cucumbers, and for some reason, peppers.
The tomatoes turned out fine (if you're into that kind of thing), we were drowning in cucumbers, and the peppers were a bust. Except for some rhubarb, which comes back year after year (no matter how many times Hubby has moved over it), we haven't planted anything since.
Truth be told, I haven't been in my backyard in 4 years, except to step on the deck once or twice to get in the hot tub. I will be off this summer (fingers crossed) and allergies or no, I'm gong to make use of the yard.
If I have to stay put for another year or two, until the boys are away at school and I have a little extra $$, then I might as well start enjoying what I do have, instead of about what I want.