Peace lilies (Spathiphyllum) are a classic example of house plants that can be divided into several smaller plants, giving you new plants for free.
Most clump-formers, including anthuriums, spider plants (Chlorophytum) and zebra plants (Calathea), can also be divided this way. While you’re propagating your house plant, take this chance to inspect the leaves and stems for any signs of pests, such as scale insects and mealybugs.
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