Anthuriums are prized for their glossy leaves and long-lasting, exotic blooms. While these tropical plants are relatively easy to grow indoors, getting them to bloom frequently and vibrantly can sometimes be a challenge. Gardeners looking for a natural, chemical-free way to encourage lush foliage and abundant flowers have discovered a surprising solution hiding in their kitchen: onion slices.
Yes—onions. More than just a culinary staple, onions can serve as a powerful plant tonic when used correctly. Rich in essential minerals, antioxidants, and antifungal compounds, onions can help nourish roots, deter pests, and stimulate stronger, more frequent blooming in anthuriums and other flowering houseplants.
Let’s explore how and why onion slices work, and how to use them effectively to get your anthuriums thriving.
Why Onions Help Anthuriums Grow and Bloom
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