Gewhnlicher Liguster Ligustrum vulgare sterreichische Philodendron El Choco Red Tropics @Home If you're seeing orange, brown, or almost rusty looking spots like this, it's not damage, it's a fungal infection called Rust Fungus It develops when moisture sits on the leaves for Mammillaria spinosissima Cactus Brown Spots On Monstera Leaves: 5 Common Causes and Solution planterhoma AROIDS SOIL LESS POTTING MIX Best for Monstera, Philodendron, Aglaon Urban Gardening Mom