Greenspaces are an important component of the complex ecosystem. Trees and green spaces are also very important to human well-being as well. It is widely known that trees and green spaces give environmental, social, economic and psychological benefits. For example they affect microclimates to reduce the heat effect, improve air quality. Understanding the relationship between population size and the quality and quantity of green spaces is vital for the sustainability, health and resilience of areas. Analysis of the current situation of the trees and shrubs greenery area in Klaipeda County was accomplished. The study also provides the trees and shrubs greenery area changes analysis in Klaipeda County and in the municipalities of the county. In Klaipeda County the area under trees and shrubs in 2002 was 4,758.14 ha. In 2022 the plantation area amounted to 10,793.50 hectares. From 2002 to 2022 the area of tree and shrub plantations in Klaipeda County increased by 6,035.36 ha or 127 percent. The development of plantation areas has been positively influenced by the creation of an appropriate legislative framework and the implementation of plantation programmes in municipalities.