Pruning periods: the period is based on tree pruning cold hardiness, growth characteristics and Phenology, etc. to decide, can generally be divided into the growing season pruning and pruning dormant period, also known as summer pruning and winter pruning. Xiajian after the trees bud to shoot or axillary shoot growth stopped before, usually from April to October, Shandong American maple seedlings, probably since the land Dongjian frozen trees dormant until next spring before the sap starts to flow were generally December to February the following year. American Maple Alias: Red maple, northern red maple, red maple in North America, swamp maple, red maple, Canada, brown sugar, maple, scarlet maple. Aceraceae maple genus. Deciduous trees. Main Characters: 12-18 meters high tree stems to Shandong US Maple, up to 30M, crown 10M, 3-5 lobed palmate leaves, palm-shaped, reddish new leaves front after turn green until dark green, leaf length 10CM, bright green leaf surface, dorsal white, part white fluff. Spring, new leaves flushed, with clusters of red flowers side by side; summer foliage shade; brilliant red autumn leaves of long duration. Tree upright, rounded crown. Open red spring flowers, fruit winged, red. Shandong American maple seedlings base, a grand seedlings, provided by Weifang grand American 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.