The white button mushroom is a traditional standard button, having been grown for many years. It can be used in everything from salads to pizzas. If allowed to over grow, they can become as large as a small portabella. The white button mushroom is the most widely cultivated mushroom in the USA. The caps of the mushrooms in the button stage are usually 1” to 3” in diameter but if left to mature and open, the caps can reach a size of 5” to 8” in diameter. The White Button mushroom kit produces mushrooms with ease and it is very productive. Crops grow back every 10-14 days until the mushroom kit uses up all its nutrients. Approximately 4 pounds of mushrooms grow in the kit during the 3 months period of time. This kit can be held for up to 10 days at room temperature before starting. The kit contains inoculated mushroom compost, casing and instructions. All you have to do is just add water.