Caring for a sword fern (Nephrolepis) in mineral substrate requires a few special steps to ensure the plant stays healthy and pretty. Here are a few tips:
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Location: Place the sword fern in a bright spot, but without direct sunlight. A north-facing window is perfect.
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Temperature and humidity: Sword ferns feel most comfortable at temperatures between 18°C and 24°C. Ferns need high humidity to stay healthy and keep their leaves. They feel comfortable in the bathroom or in the kitchen, where a lot of cooking takes place.
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Watering: Water your sword fern regularly to keep the mineral substrate slightly moist. If the substrate gets too dry, the leaves can turn brown and die. A good trick is to pour about 1/3 of the amount of water over the substrate and put the rest in the water tank.
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Fertilization: Fertilize your fern from time to time, but avoid over-fertilization, the fern does not like that.
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Care and cleaning: Remove dead leaves and clean the fern regularly to improve ventilation and prevent mold growth.
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Pests and diseases: Watch for signs of pests such as spider mites or aphids. If you spot any, isolate the plant and treat the pests with insecticides.
By following these tips, you can keep your sword fern healthy and beautiful in the mineral substrate. Remember that sword ferns are sensitive and it may take some time for the plant to get used to the new substrate. Patience and regular care are the key to success.
