Heavy stub: leave the base in spring shoots 1-2 buds, cut the rest. Because notches buds at the base, poor quality, general germination stub stubs or very heavy. Generally only one way that the United States re-stub maple seedlings booking, 90% of the United States to cut red maple branches, branches grow upward and forward trigger germination and growth, the formation of round-shaped crown. Such as the use of light stubs, branches will grow increasingly weak US Maple, unable to form a canopy. American Maple adaptability, cold, drought, humidity. Acidic to neutral soil make more brilliant autumn. Strong resistance to harmful gases Maple American plantations, especially strong absorption of chlorine can be used as anti-pollution tree species. American maple leaf color red or yellow, discolored leaves the main reason is the element which contains several substances determines American Maple leaf color. They are: chlorophyll, chloroplast, sugar, anthocyanins, carotenoids and other US maple seedlings scheduled grand seedlings (certified), the United States provided by Weifang grand maple seedling cultivation base. Weifang grand seedling cultivation base (www.wfsdmm.com) Shandong Weifang, flowers leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the grand seedlings leadership with the staff warmly welcome all inquiries negotiations to create a better future grand seedlings.