Growth habit: like light, slightly tolerant to shade, but the leaf color tends to turn green on cloudy days. Strong adaptability and drought tolerance. Like warmth and cold resistance. Strong germination, strong branching ability and pruning resistance. It is barren-tolerant, but suitable for growing in fertile, moist and slightly acidic soil.
Ornamental value: Acer truncatum is luxuriant in foliage, graceful in posture, resistant to pruning, and full of red flowers in flowering period, which is extremely spectacular.
Overwintering in Shandong requires basic protection.
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2. Palm trees can be planted in both Shandong and South China, but it is not recommended to plant them in northern Shandong. It is suggested to plant more trees. Evergreen tree species, like warm and humid climate, like light, strong cold resistance, slightly shade-tolerant, suitable for neutral, calcareous or slightly acidic soil with good drainage, moist and fertile soil, mild saline-alkali resistance, certain drought resistance and water-wet resistance, and strong air pollution resistance. Easy to degenerate and slow to grow.
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3. Luohansong-there are many bonsai in the northern region, and there are many varieties. In recent years, with the progress of planting and maintenance technology, large-scale Podocarpus modeling trees have been applied in the northern region, but they need to be protected by heat preservation in winter in the northern region.
Podocarpus likes warm and humid climate, and the suitable growth temperature is 15-28℃. Weak cold resistance and strong shade resistance. Sandy loam likes good drainage and wetting, and has strong adaptability to soil, and can survive in saline-alkali land.
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4, spruce-alias Maoxian spruce, Maoxian fir, is an evergreen tree.
Picea crassifolia is resistant to shade and cold, and likes cool and humid climate and fertile and deep, well-drained slightly acidic sandy soil. It grows slowly and belongs to shallow-rooted tree species. Spruce is a shallow-rooted tree species, which is slightly tolerant to shade and dry and cold conditions. It grows rapidly and well in the slightly acidic palm forest zone with cool climate, deep soil layer and good drainage.
Before and after Christmas in winter, it is often placed in restaurants, hotels and some families for Christmas tree decoration.
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5. Japanese five-needled pine, a plant belonging to Pinaceae, is an evergreen tree of Pinaceae. Five needles pine is named after five leaves. There are many varieties of five-needle pine, among which the big pine with the shortest needles (about 2 cm long leaves) and tight branches is the most precious.
Positive trees like to grow in places with deep soil, good drainage and suitable humidity, but they don't grow well in wet places. Although it has strong resistance to sea breeze, it is not suitable for sand growth and its growth speed is slow. Not resistant to transplantation, no matter how big or small the seedlings are, they need to bring soil balls when transplanting.
Japan's five-needle pine is vigorous and beautiful, with lush and delicate leaves, full of poetry and painting, which combines the spirit, bone color and spirit of pine trees. It is a precious ornamental tree species. The planting of the strange rocks in Gufeng Mountain, after shaping, makes some landscape trees in parks, courtyards and hotels, which is suitable for planting with various classical or modern buildings. Garden trees can be planted on both sides of the garden road, or 2 ~ 3 trees can be planted in clusters at the corner of the garden road. It is most suitable to make a landscape with rockery, peony, azalea, plum and red maple.