The five species listed below scored the highest in removing volatile organic compounds (VOC's) from the air.
1. English Ivy (Hedera helix)
2. Purple Heart Plant (Tradescantia pallida)
3. Asparagus Fern (Asparagus densiflorus)
4. Wax Plant (Hoya carnosa)
5. Purple Waffle (Hemigraphis alternata)
