Air-Purifying Plant of the Month April 2025

Origin of the Hedera Helix

The Hedera Helix, commonly known as ivy, is a strong and hardy plant native to Europe, Western Asia, and North Africa. In the wild, it often winds its way around trees, walls, and rocks, anchoring itself firmly with its roots. Its ability to grow both horizontally and vertically makes it a popular choice for both indoor and outdoor spaces. It can even climb over 10 meters high! Thanks to its dense foliage, it also provides excellent shelter and nesting spots for birds.

Beyond its decorative appeal, Hedera Helix has a rich history. In ancient times, it was considered a symbol of loyalty and eternal love. Today, we especially appreciate this plant for its air-purifying qualities and easy care.

The name “Helix” refers to the spiral growth pattern of the plant, adding an extra layer of symbolism. Historically, ivy was also used in traditional medicine to treat respiratory issues and skin irritations.

Why is the Hedera Helix so good for air quality?

Research by NASA and Fytagoras Science shows that Hedera Helix is one of the top air-purifying plants. It effectively filters harmful substances such as benzene, formaldehyde, and other volatile organic compounds (VOCs) from the air. This makes it an ideal plant for offices and homes where air quality is important.

Additionally, Hedera Helix produces oxygen and helps maintain a balanced humidity level. This is especially beneficial in well-insulated homes where ventilation can be limited. With a Hedera Helix in your space, you’ll enjoy not just a stylish green touch but also cleaner, fresher air.

Hedera Helix growers

Air So Pure’s Hedera Helix is cultivated by our member Quakelplant. As true specialists in growing ivy, they know exactly how to produce high-quality Hedera. Within the Air So Pure range, you'll find 8 different types of Hedera Helix, available in 3 different pot sizes—from 8.5cm to 19cm—ensuring there’s a perfect ivy for every space. That’s one more reason why Hedera Helix is our Air-Purifying Plant of the Month for April!

The Hedera Helix is a strong and resilient air-purifying plant, but a little care goes a long way. Here are some practical tips to keep your ivy thriving:

• Light: Hedera Helix prefers indirect light but can also tolerate shade. Avoid direct sunlight, as it can scorch the leaves. A spot out of direct sun is ideal.
• Water: Keep the soil lightly moist, but don’t let the roots sit in water. Watering once a week is usually enough. In winter, water less frequently.
• Humidity: This plant loves slightly higher humidity. During winter, when heating dries the air, misting the leaves occasionally can help.
• Nutrition: During the growing season (spring and summer), feed the plant once a month with a diluted houseplant fertilizer to keep it strong and healthy.
• Pruning: Hedera Helix grows quickly and can be easily trimmed to maintain its shape. This is especially helpful if you’re using it as a trailing or climbing plant.

Is Hedera Helix (ivy) toxic?

While Hedera Helix has many benefits, it’s important to know that the plant can be mildly toxic if ingested in large quantities. It’s safe to touch, and pets can sniff it without any problem, but eating the leaves may cause stomach discomfort, vomiting, or diarrhea. To enjoy its benefits safely, place the plant out of reach of small children and pets.