A perfect mushrooming moment. thinkspain.October 8, 2008.Mushrooms appear during other seasons of the year, including during the spring, but not in the abundance you can find them in autumn.NOW is the perfect time to serve mushrooms freshly picked without having to resort to the dried, tinned or frozen variety. The further we go from industrial areas, the richer and more varied is the natural environment. [ See ] See related new; Monster mushroom ‘too good to eat’, insists finder.