Are granite outdoor flower boxes resistant to acid rain damage?

Granite outdoor flower boxes are highly resistant to acid rain damage due to the stone's natural durability and low porosity. Granite is an igneous rock composed of minerals like quartz and feldspar, which are inherently resistant to chemical erosion, including acidic conditions. Unlike softer stones or metals, granite does not corrode or degrade easily when exposed to acid rain, making it an excellent choice for long-lasting outdoor planters. Additionally, granite's dense structure prevents moisture absorption, reducing the risk of cracks or discoloration over time. For gardeners seeking weather-resistant and low-maintenance options, granite flower boxes provide both aesthetic appeal and exceptional resilience against environmental factors like acid rain. Regular cleaning with mild soap and water can further preserve their appearance and longevity.