How Saguaros Grow. Saguaros are a very slow growing cactus. In Saguaro National Park, studies indicate that a saguaro grows between 1 and 1.5 inches in the first eight years of its life. These tiny, young saguaros are very hard to find as they grow under the protection of a nurse tree, most often a palo verde, ironwood or mesquite tree.
A housing cooperative, or co-op, is a legal entity, usually a corporation, which owns real estate, consisting of one or more residential buildings; it is one type of housing tenure.
A retailers' cooperative (known as a secondary or marketing cooperative in some countries) is an organization which employs economies of scale on behalf of its members to receive discounts from manufacturers and to pool marketing. It is common for locally owned grocery stores, hardware stores and pharmacies.