Over-fertilizing banana plants is a preventable problem, but when it happens, it requires prompt action. The signs are often subtle at first: a few brown tips on older leaves, slightly slower growth, or a pale green color that doesn't improve with more fertilizer. As salts accumulate, the damage becomes more pronounced. Leaf margins may turn brown and crispy, and new growth can appear soft and limp, lacking the structural integrity of healthy leaves. The roots, meanwhile, are under stress. They may become discolored, and their ability to absorb water and nutrients is compromised. In containers, a white crust on the soil surface is a telltale sign of salt buildup. At twoleafgarden.com, the guidance is to always err on the side of caution. A banana tree fertilizer is powerful, and more is not better. Use a slow-release formulation or a liquid fertilizer diluted to half strength. For container plants, flush the soil every two to three months, or immediately if you see salt crust. Flushing involves slowly pouring water through the pot until it drains freely, repeating until the runoff is clear. This leaches out excess salts. After flushing, allow the plant to rest for a few weeks before resuming a lighter feeding schedule. In the ground, over-fertilizing is less common because rainfall leaches salts, but it can still happen if you apply too much too often. The fix is similar: stop feeding, water deeply to help disperse salts, and wait for new growth to normalize. Remember that stressed roots need time to recover. Don't try to compensate with more fertilizer. Instead, focus on proper watering, mulching, and patience. A healthy banana plant is a balanced one, not an overfed one.