Yes, Slovakia Grey Andesite can be used in landscaping. It is a popular choice for paving, walls, and other outdoor features due to its durability, versatility, and attractive appearance. The natural grey color of the stone can complement various design styles and can be used to create a contemporary or rustic look in outdoor spaces. Additionally, its dense and hard composition makes it resistant to weathering and suitable for withstanding heavy foot traffic, making it a practical choice for outdoor landscaping projects.