The territory belongs to subtropical evergreen broad-leaved forest area, with a forest coverage rate of 32%. It is the first city in the province to reach the greening standard. There are about 437 species of trees, most of which are national protected plants and rare trees. Such as Metasequoia glyptostroboides and Ginkgo biloba, precious cycads, red bean trees, osmanthus trees and unique cypress and banyan trees. Economic forests mainly include tung tree, olive, butter, walnut, castor and palm. The territory is rich in citrus, orange, pomelo, pear, peach, plum and apple, among which Shatian pomelo, green apple, red orange and "Gong orange" have the best quality and are well-known both inside and outside the province. There are many kinds of animal resources, including about 237 species of main vertebrates. There are 89 species of fish resources, and the amphibian rare animals such as Chinese sturgeon, mullet, rock carp, beaked fish, giant salamander and mammal otter are all protected at the national and provincial levels. The main food crops are rice, wheat, corn, sorghum and sweet potato, and all kinds of beans are distributed all over the city. Cash crops include cotton, rape, peanuts, sesame and sugarcane. Suining black sesame has a high nutritional value; Shudu brand iodized sesame oil is a national invention patent product, and its fragrant sesame oil is a famous brand product in Sichuan Province. Hudou in Yangduba, the downtown area, was once a tribute of the imperial court.
Pingba, a suburb of the main vegetable producing town, not only meets local consumption, but also sells well in Chongqing and other places. There are mainly Chinese cabbage, cabbage, cauliflower, radish, eggplant, cowpea, green bean, tomato, cucumber, pepper, garlic bolt, green onion, taro and so on. In recent years, the emergence of greenhouse vegetables has solved the residents' demand for vegetables in the off-season. Hu Aishan Mountain has high edible and medicinal value, and is a specialty of Suining. It is sold all year round and has deep processing value. Amorphophallus konjac has been widely planted in rural areas, and its special nutrition and swelling-reducing function is also an important green plant to produce weight-reducing food for obese patients, which has high development value. Su 'an garlic in Shehong Sujia is white and strong, and the mashed garlic does not change color overnight, which is the top grade of garlic.
There are 127 kinds of Chinese herbal medicines, which rank second among plants and have great development value. Angelica dahurica, the "chrysanthemum heart" in the central region, is a specialty of Suining, which is famous all over the country, with a maximum annual output of one million kilograms, accounting for 70% of the province's annual output. Marketing in China urban and rural areas, exported to Southeast Asia, Japan, France and other places, known as the hometown of Angelica dahurica. Pinellia ternata is the best quality wild medicinal material in this city. It was the local officials of the Ming Dynasty who paid tribute to the emperor. During the Republic of China, some foreign companies sold Suining Pinellia ternata to Germany, Japan, India, Malaysia and other countries, with a maximum annual output of 60,000 kg. The natural conditions in this city are suitable for the growth of Pinellia ternata, and the development prospect of wild domestication is good. In addition, Pogostemon cablin, Herba Menthae, Herba Schizonepetae, Radix Ophiopogonis, Flos Carthami, Radix Salviae Miltiorrhizae, Radix Paeoniae Alba, Herba Schizonepetae and other Chinese medicinal materials have been planted in a large area, with high yield and excellent quality, which can be selected for development and processing. Prunella vulgaris, Lysimachia christinae, Lepidoptera and other wild medicinal materials are more familiar to the masses and can be directly soaked for drinking. Houttuynia cordata Thunb and Cynanchum komarovii Bunge have both medicinal and edible values. They are sold as wild vegetables by suburban vegetable farmers and are deeply loved by consumers.
There are 29 kinds of fruits, the most of which are orange red orange and wide orange, covering an area of nearly 200,000 mu, with an output of 35,000 tons. There are Pengxi Hejiaba Pomelo, Suining Shatian Pomelo, Shehong Petunia Mountain Pomelo and Zhangzhou Pomelo. Their fruits are either large, sweet in taste, or moderate in size and sweetness, which are suitable for different consumption levels. Demand exceeds supply and prices rise every year, which has been carried out in suitable villages in the city. Citrus has seedless Jincheng orange, navel orange, orange orange and other varieties, and the lemon variety is mainly Eureka, which is concentrated in riverside town of Daying County. It is the second largest lemon producing area in the province and has good export processing capacity. Peach, plum, pear, grape, loquat and cherry are planted in the city.