How can the natural fissures in stone outdoor planters be sealed to prevent water ingress?

Stone outdoor planters add elegance to gardens but often develop natural fissures that allow water to seep in, potentially damaging both the planter and plants. To seal these cracks effectively, start by cleaning the surface thoroughly with a stiff brush and mild detergent to remove dirt and debris. Once dry, apply a high-quality stone sealant or epoxy resin designed for outdoor use, ensuring it penetrates deep into the fissures. For larger gaps, use a mortar mix or hydraulic cement, pressing it firmly into the cracks. Allow the sealant to cure completely before exposing the planter to moisture. Regular maintenance, including resealing every 1-2 years, will help maintain the planter's integrity and prevent water ingress. Choose breathable sealants to avoid trapping moisture inside the stone, which could lead to cracking in freezing temperatures. For extra protection, consider lining the interior with a waterproof membrane before adding soil. These steps will keep your stone planters functional and beautiful for years.