What are the differences in water absorption between marble and concrete outdoor planters?

When choosing outdoor planters, understanding the water absorption properties of materials like marble and concrete is crucial for plant health and durability. Marble, a natural stone, has low porosity and absorbs minimal water, making it ideal for plants that prefer drier conditions. However, its smooth surface can lead to faster evaporation in hot climates. Concrete, on the other hand, is more porous and retains moisture longer, benefiting plants that thrive in humid environments. However, excessive water retention in concrete can cause cracking in freezing temperatures. Both materials have unique advantages, so selecting the right planter depends on your climate and plant needs. For longevity, marble requires less maintenance, while concrete may need sealing to reduce water absorption. Consider these factors to ensure your outdoor planters enhance both aesthetics and plant vitality.