Putting your houseplants in the sink or shower—or wiping down the leaves with a soft, wet cloth if they're too large—is one of the best ways to keep them happy and thriving.
Potted plants need good drainage because they have less soil than in-ground plants. "Both the pot and potting soil should allow water to drain away from the plant's roots
If you slip the plant out of its pot and see 75 percent or more roots (versus 25 percent potting mix), your plant will thank you for giving it more space.
Hancock recommends adding new potting mix to the old soil when repotting your plant. Let the roots loosen to mix the soils for better drainage.
Many common mixes actually repel water if they get too dry, so if you follow the often-dispensed guidance of adding moisture until water runs out the drainage holes.
Orchids are a prime example of a plant susceptible to crown rot from trapped moisture, and after killing an orchid this way, I've switched to bottom watering with excellent results.
To keep your houseplants happy and healthy, you must know what light your home provides. Determine whether your windows are bright, low, direct, or indirect, then put plants accordingly.
Fungus gnats are one of many pests that can attack indoor plants, explains Mercer. Fungus gnats multiply in moist soil and often indicate that you are overwatering the plant.