How Houseplants Can Help Reduce Moisture and Prevent Mould Growth
Mould growth in your home becomes a bigger issue in the colder months due to increased indoor humidity and reduced ventilation.
While houseplants aren’t a cure-all, certain varieties can help reduce excess moisture in the air, making them a useful addition to your home’s defence against mould, the houseplant experts from Beards & Daisies explains more.
How Houseplants Help Absorb Moisture
Certain houseplants are known for their ability to absorb moisture through their leaves in a process called transpiration, explains Connor Towning, lead Horticulturist at Beards & Daisies. Plants such as Peace Lilies and the Bird of Paradise are particularly effective at removing excess moisture in the air, which can help lower indoor humidity levels, one of the main triggers for mould growth.
Air-Purifying Qualities
Houseplants not only help control moisture but also improve air quality. Plants such as Kentia Palms, Boston Ferns, Devil’s Ivy, and Peace Lilies are known for their air-purifying properties. They reduce toxins and pollutants in the air that can exacerbate damp conditions, converting them into nutrients and creating a cleaner, healthier environment.
Jo Lambell, founder of Beards & Daisies and author of houseplant guide ‘The Unkillables’, explains: “Incorporating a few houseplants can make a real difference in controlling moisture and mould in your home, particularly during the cooler months. They do more than just look pretty, they actively help regulate indoor humidity and purify the air.”
Jo adds, “Plants like Boston Ferns and Devil’s Ivy are ideal for spaces prone to dampness, while Peace Lilies and Kentia Palms are excellent all-rounders for improving both moisture control and air quality. It’s a simple step that can make your home feel fresher, healthier, and even boost your mood at the same time.
Where to Place Them
To get the most benefit, place houseplants in areas prone to dampness, such as bathrooms, kitchens, or laundry/utility rooms. Boston Ferns thrive in these environments and help keep humidity levels down, while Devil’s Ivy and Peace Lilies can flourish in indirect light, making them versatile options for almost any room.
Expert Tip: Choosing the Right Plant
Jo advises, “When selecting houseplants for moisture and air purification, it’s best to choose a mix of varieties that both absorb water and clean the air. This dual-action approach helps maintain balanced humidity levels and reduces the likelihood of mould forming.”
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