The 2LB Redwinecap mushroom spawn is a high quality product made in the United States for low impact forest farming.Stropharia rugosoannulata spawn is essential for cultivating these edible culinary mushrooms in a sustainable and eco-friendly way. With its exclusive use of red winecaps, this product offers a unique and effective method for home gardeners and farmers to enjoy the benefits of growing their own mushrooms in an easy way with just hardwood woodchips.One of the easiest culinary mushrooms to cultivate.