If you're landlocked, you might simply have better luck with frozen foods since they're frozen while they're fresh. Frozen veges are pretty good as long as you microwave them (without adding water) instead of boiling them. Even then they're not bad.

If it's the place of origin you're worried about though, then that's a different matter then. There was a segment on TV the other week about how imported vegetables don't have the same stringent chemical-banning standards as Australian grown vegetables, thus making Aussie produce cost more and reducing our competitiveness. It's pretty BS to have such double standards.