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Summary The Kingdom of Saudi Arabia is located in a dry desert environment with a hot climate in the summer and moderate low rainfall winter. The amount of rain falling on the west coast is approximately 30ml - 70ml from 2014 to 2018. These are very small and also sparse. To highlight the reasons for the lack of vegetation in the area and to determine the percentage of vegetation cover and determine the types of plants found in the region. The experimental work began by identifying three sites in three different environmental zones (A - (B - C) Practical experiences into my group The first study of soil properties. Soil samples were collected for these sites, moisture content and field capacity of soil and soluble salts in soil were collected. The results showed that the humidity is very low in the coastal and desert environment compared to the mangrove environment. The percentage in the coastal and desert environment ranged from 18ml to 42ml in 10g of soil. The soil of the mangrove environment is 81ml in 10g of the soil. This is a high percentage, but there is an increase in soluble salts in the mangrove environment, which reached ppm5634. This percentage is high and justified because it is irrigated with seawater and only mangroves and some saline plants The desert environment is less saline, with ppm865 and the salinity of the coastal environment is approximately ppm1243. There is an increase in vegetation in the mangrove environment. The coastal and desert environment is a common occurrence. The researcher recommended keeping the trees and plants from undergrowth and overgrazing and cultivating the area. High temperature.