Knowledge about Plants, Indoor Air, and Health
Well-founded knowledge about houseplants, air quality, and indoor climate – based on scientific studies, NASA research, and many years of experience in plant cultivation.
Plant care
Step-by-step care guides for every plant: From the right choice to the
best, long-term care – for beginners and experts
Indoor Air & Health
Better sleep, more productivity, fewer headaches – the health benefits of clean indoor air
Learn more →
Studies & Science
Studies show how plants can reduce certain pollutants under
laboratory conditions
Guides for Every Plant - From Beginner to Expert
Our plant encyclopedia offers detailed care tips, air purification ratings, and scientific background for every houseplant. From watering instructions to light requirements to the best location choice – everything for healthy, easy-care plants.
Swiss cheese plant
Care Guide
Dragon tree
Care Guide
Snake plant
Care Guide
Elephant foot
Care Guide
Calathea
Care GuideKnowledge that works
Master plant care, combat pollutants purposefully, and understand the science behind natural air cleansing.
Mastering plant care
From watering through lighting to repotting: learn the basic care for healthy, vigorous plants in your home
Target harmful substances specifically
Formaldehyde in the bedroom? Benzene in the office? Discover which plants remove which harmful substances most effectively
Understanding NASA Research
Why does most of the air-purifying effect occur in the root area?
Confirmed by NASA, tested by Fraunhofer
The NASA Clean Air Study (1989) showed that plants can significantly reduce certain air pollutants within 24 hours under controlled laboratory conditions – in some cases by up to 90%.