What Is Spider Plant Good For? Top 5 Benefits

By Marcus Williams · January 24, 2026

Spider plants (Chlorophytum comosum) are excellent for improving indoor air quality, reducing toxins like formaldehyde and xylene, and adding natural beauty to homes and offices. They are also non-toxic, easy to grow, and ideal for beginners.

Why Spider Plants Are Beneficial for Indoor Spaces

Spider plants are among the most popular houseplants due to their resilience, attractive foliage, and air-purifying qualities. NASA's Clean Air Study highlighted their ability to filter common indoor pollutants, making them a top choice for healthier living environments.

Air Purification Capabilities

Remove airborne toxins such as formaldehyde, xylene, and carbon monoxide
Increase indoor humidity levels slightly, which can help respiratory health
Produce oxygen during photosynthesis, enhancing air freshness

Low Maintenance and Easy Propagation

Thrives in indirect sunlight and a wide range of temperatures (60–75°F)
Requires watering only once every 1–2 weeks, depending on climate
Produces “spiderettes” that can be easily propagated in water or soil

Health and Psychological Benefits

Beyond physical air cleaning, spider plants contribute to mental well-being. Studies show that indoor plants reduce stress, boost concentration, and improve mood.

Scientifically Supported Wellness Effects

Reduces anxiety and fatigue in home and office settings
Enhances cognitive performance and productivity
Provides a sense of accomplishment through successful plant care

Benefit	Scientific Evidence	Study Source	Effect Size
Formaldehyde Removal	Removes ~75% over 24 hours in controlled chamber	NASA Clean Air Study	High
Humidity Regulation	Increased room humidity by 5–10% over 48 hours	University of Agriculture, Kraków	Moderate
Stress Reduction	Lower cortisol levels in participants with indoor plants	Journal of Physiological Anthropology (2015)	Significant
Cognitive Improvement	15% increase in focus and task completion speed	University of Exeter (2014)	Moderate to High

Table data source:1, 2, 3

The data confirms that spider plants significantly contribute to cleaner air and improved psychological well-being. Their combination of high toxin removal and low care needs makes them ideal for urban households and workplaces.

Pet and Child Safety

Unlike many houseplants, spider plants are non-toxic to cats, dogs, and humans, according to the ASPCA. This makes them a safe option for families and pet owners.

Key Safety Advantages

Non-poisonous if ingested (though excessive chewing may cause mild stomach upset in pets)
No harmful sap or thorns
Safe to place on countertops, shelves, or hanging baskets accessible to children

Frequently Asked Questions About Spider Plants

Are spider plants good for bedrooms?

Yes, spider plants are excellent for bedrooms. They release oxygen at night and help purify the air, potentially improving sleep quality. Their calming green appearance also contributes to a relaxing atmosphere.

Do spider plants really clean the air?

Yes, scientific studies, including NASA's Clean Air Study, confirm that spider plants effectively remove indoor pollutants like formaldehyde, xylene, and carbon monoxide, making them proven natural air purifiers.

Can spider plants survive in low light?

While they prefer bright, indirect light, spider plants can tolerate lower light conditions. However, growth will be slower, and variegation may fade. For best results, place near an east- or north-facing window.

How often should I water a spider plant?

Water every 7–10 days when the top inch of soil feels dry. Overwatering is a common issue, so ensure proper drainage. In winter, reduce frequency to every 2–3 weeks.

Are spider plants safe for cats?

Yes, spider plants are non-toxic to cats and listed as safe by the ASPCA. While they may attract cats due to mild hallucinogenic properties (similar to catnip), ingestion typically causes no serious harm.