What kind of trees are suitable for planting in the northern small courtyard

1, magnolia tree. Magnolia is a deciduous tree, which is a well-deserved excellent ornamental tree species in the courtyard. Can be planted in the ground, can also be potted, relatively cold-resistant, can overwinter in the open air. This kind of flower tree is not only beautiful in shape, but also beautiful and fragrant when it is full of flowers in early spring. Its floral fragrance contains volatile oil, which can improve your eyesight and enlighten you. It is refreshing to plant it in the yard, when it blooms and smells all over the yard.

2. Lagerstroemia indica. Lagerstroemia indica is a small deciduous tree, which is distributed in both north and south. Its trunk surface is smooth and flat, its branches are elegant and colorful. Another interesting feature of this tree is that when you gently scratch its trunk with your hand, the branches of the whole tree will tremble, just like a ticklish person being tickled, so it has another name "Itchy Tree". Lagerstroemia indica is a very effective greening tree species, which can not only reduce dust, but also absorb some harmful gases. When the flowers bloom, the flowers are gorgeous, and the aromatic oil it emits can also play a role in disinfection.

3. Begonia tree. Begonia trees have low requirements on the environment, and are cold-resistant, waterlogging-resistant, drought-resistant and salt-tolerant. Especially cold-resistant, can overwinter in the open air at MINUS 15 degrees. However, some varieties of begonia trees are relatively tall, so if they are planted in a small yard, enough area should be reserved. Begonia has high ornamental value, and its leaves are also considerable, with many shapes, colors and colors, especially when flowering. Since ancient times, it has been known as "the fairy in flowers", "the respect in flowers" and "the beauty of the country". Begonia tree is also a very good greening tree, which has a particularly strong absorption capacity of harmful gas sulfur dioxide.