Araucaria cunninghamii Mudie is a tree in the family Araucaria and genus Araucaria. It can grow up to 60-70 meters tall in its native area, with a diameter at breast height of over 1 meter. The bark is gray brown or dark gray, thick, and horizontally split; The large branches are flat or slanting, with a pointed tower shaped crown for young trees and a flat top shape for older ones. The lateral branches are densely distributed and drooping, arranged in a nearly feather like pattern. Southern fir is not cold resistant and should avoid drought. It needs sufficient sunlight in winter; Originating from the southeastern coastal areas of Oceania, it is cultivated in open fields in Guangdong, Fujian, Taiwan, Hainan, Yunnan, Guangxi and other places in China.

Araucaria cunninghamii Mudie is a tree in the family Araucaria and genus Araucaria. It can grow up to 60-70 meters tall in its native area, with a diameter at breast height of over 1 meter. The bark is gray brown or dark gray, thick, and horizontally split; The large branches are flat or slanting, with a pointed tower shaped crown for young trees and a flat top shape for older ones. The lateral branches are densely distributed and drooping, arranged in a nearly feather like pattern. Southern fir is not cold resistant and should avoid drought. It needs sufficient sunlight in winter; Originating from the southeastern coastal areas of Oceania, it is cultivated in open fields in Guangdong, Fujian, Taiwan, Hainan, Yunnan, Guangxi and other places in China.

European spruce (scientific name: Picea abies (L.) H. Karst.) It is a tree of the spruce genus in the pine family. The plant can reach a height of 60 meters and a breast height diameter of 4-6 meters; Young trees have thin bark, while old trees have thick bark that splits into small thin pieces; Branches often droop, young branches are light reddish brown or orange red, hairless or sparsely hairy, persistent bud scales at the base are significantly rolled back, and winter buds are conical in shape; Leaves are square shaped with four edges, straight or curved, pointed at the tip, oblique in cross-section, and have pink white stomatal lines on all four sides; The cone is cylindrical in shape, with seeds about 4 millimeters long and wings about 16 millimeters long.

Black spruce (Picea Mariana Britton, Sterns&Poggenb.) is a plant of the pine family and the spruce genus. The crown of the tree ranges from conical to pointed. The bark is gray brown in color. Branches are short and drooping, often stratified; The small branches do not droop and are yellow brown in color. Bud gray brown, with a sharp tip. The leaves are hard, light blue-green, with white frost, and all surfaces have pores. The tips are mostly blunt and pointed. Scales fan-shaped, widest near the tip, rigid, with irregular teeth on the edge of the tip. Round fruit spindle shaped, dull, deep purple, mature purple brown.

European spruce (scientific name: Picea abies (L.) H. Karst.) It is a tree of the spruce genus in the pine family. The plant can reach a height of 60 meters and a breast height diameter of 4-6 meters; Young trees have thin bark, while old trees have thick bark that splits into small thin pieces; Branches often droop, young branches are light reddish brown or orange red, hairless or sparsely hairy, persistent bud scales at the base are significantly rolled back, and winter buds are conical in shape; Leaves are square shaped with four edges, straight or curved, pointed at the tip, oblique in cross-section, and have pink white stomatal lines on all four sides; The cone is cylindrical in shape, with seeds about 4 millimeters long and wings about 16 millimeters long.

Tsuga mertensiana, also known as the North American mountain hemlock, is a species of hemlock native to the west coast of North America, found between central southern Alaska and central southern California. Cedar is a large evergreen coniferous tree that can grow up to 20 to 40 meters in height, with special individuals reaching up to 59 meters in height. Their trunk diameter is as high as 2 meters. The bark is about 3 centimeters thick, with square cracks or wrinkles, and a color ranging from purple brown to gray. The crown of young trees is a neat, slender cone shape, with slanting or drooping lead buds, while the crown of old trees becomes cylindrical. At all ages, it is characterized by slightly drooping tips of small branches.

Silver spruce (scientific name: Picea engelmannii Parry ex Engelm.) is a plant of the pine family and the spruce genus. Evergreen trees. Up to 60 meters in height and 200 centimeters in diameter at breast height. The tree crown has a narrow conical shape. The bark is gray to reddish brown. The small branches are thick and robust. The buds are orange brown, and the leaves are 1.6-3 centimeters long. The cone is purple or dark purple, light brown when ripe, and 3-7 centimeters long; The scales are diamond shaped to oval shaped, with the widest part above the middle. Native to the Rocky Mountains from British Columbia to northern Mexico. Growing on various mountainous soils, including calcareous and non calcareous soils.

Blue pink spruce is an evergreen tree of the spruce genus in the pine family. The plant reaches a height of 15 meters; Conical or columnar crown; The leaves are four edged, sharp and thick, with a blue-green color. They are arranged in a spiral shape on the gray twigs and grow upwards, with gray green wax powder; Male bulbous flowers are oval shaped and solitary, large and yellow green in color, clustered at the top of new branches. The flowering period is late April, and the cones mature from September to October. Blue pink spruce is native to the United States and was introduced to China in the late 1990s. It was introduced to Tieling City in 2002. Introduced and cultivated in Beijing, Liaoning and other places in China, and widely planted as ornamental trees in North America and Northern Europe. Cold resistant, drought resistant, air pollution resistant, light loving, slightly shade tolerant.