Now is the time to inoculate mushroom logs! We recommend that you inoculate your logs within a week or two of cutting them - this timing allows the cells in the tree to die but is not long enough for the wood to dry out or for other competitor fungi to become established. On average, a mushroom log will produce mushrooms for about 1 year per inch of diameter of the log. This means that if you inoculate a 5-inch diameter oak log with OOyster spawn, it will likely produce mushrooms for around 5 ye