Spider Plant
Chlorophytum Comosum
The Spider Plant, or Chlorophytum comosum, is a popular houseplant known for its air-purifying qualities and unique arching leaves. Native to tropical and southern Africa, it is cherished for its resilience and ability to thrive in various conditions, making it a favorite among plant enthusiasts.
Everything it needs
9 essentials at a glance
Watering
Spider Plants prefer to dry out slightly between waterings.
Water every 1-2 weeks, allowing the top inch of soil to dry out. In the growing season (spring and summer), increase watering frequency if the plant shows signs of wilting. Signs of over-watering include yellowing leaves and root rot, while under-watering can cause leaf tips to brown.
Light
Spider Plants thrive in bright, indirect light but can tolerate lower light conditions.
Ideally, they should receive 6-8 hours of light daily. Avoid direct sunlight as it can scorch the leaves. If placed in lower light, growth may slow down, but the plant will still survive.
Soil
A well-draining potting mix is ideal, with a pH range of 6.0 to 7.0.
A mix of peat, perlite, and a bit of sand works well. Ensure the pot has drainage holes to prevent water accumulation, which can lead to root rot.
Humidity
Spider Plants prefer moderate to high humidity levels, ideally around 40-60%.
To increase humidity, mist the leaves regularly or place a humidifier nearby. Signs of low humidity stress include brown leaf tips and curling leaves.
Temperature
The ideal temperature range for Spider Plants is between 65-75°F (18-24°C).
They are hardy in USDA zones 9-11. They can tolerate occasional temperature drops to 50°F (10°C) but should be protected from frost.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 20-20-20 every 4-6 weeks during the growing season.
Reduce or stop fertilizing in fall and winter. Signs of nutrient deficiency include yellowing leaves and stunted growth.
Pruning
Prune Spider Plants in spring to remove any dead or yellowing leaves.
Use clean, sharp scissors to cut leaves at the base. Deadheading is not necessary, but removing spent flowers can help maintain appearance.
Repotting
Repot Spider Plants every 1-2 years or when they become root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes or stunted growth. Carefully remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Spider Plants are easily propagated through offsets or 'pups'.
In spring or early summer, remove the pups from the mother plant, ensuring they have roots. Plant them in their own pots with a suitable potting mix. Water lightly and keep in bright, indirect light until established.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check soil moisture and reduce watering frequency. Consider fertilizing if nutrient deficiency is suspected.
Brown leaf tips
Why it happens
Low humidity or under-watering.
How to fix it
Increase humidity by misting or using a humidifier, and ensure regular watering.
Root rot
Why it happens
Excess water and poor drainage.
How to fix it
Remove the plant from the pot, trim away affected roots, and repot in fresh, well-draining soil.
Pests (e.g., spider mites, aphids)
Why it happens
Dry conditions or overcrowding.
How to fix it
Inspect regularly, and treat infestations with insecticidal soap or neem oil.
Stunted growth
Why it happens
Root-bound or lack of nutrients.
How to fix it
Repot into a larger container and fertilize to encourage new growth.
Care through the year
Spring
In spring, increase watering and begin fertilizing every 4-6 weeks. This is also the best time to propagate pups.
Summer
During summer, ensure the plant receives adequate light and humidity. Water more frequently as the plant actively grows.
Fall
In fall, reduce watering as growth slows down. Stop fertilizing and prepare the plant for the cooler months ahead.
Winter
In winter, keep the plant in a warm location and reduce watering to avoid root rot. Maintain humidity levels to prevent leaf browning.
Toxicity & Safety
Spider Plants are non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal upset. The leaves are safe, but it's best to keep them out of reach of curious pets.
Good to know
Why are my Spider Plant's leaves turning yellow?
Yellow leaves on a Spider Plant can indicate over-watering or a nutrient deficiency. Check the soil moisture and reduce watering if it's too wet.
How often should I water my Spider Plant?
Water your Spider Plant every 1-2 weeks, allowing the top inch of soil to dry out between waterings. Adjust frequency based on the season and humidity.
Can I propagate my Spider Plant?
Yes, Spider Plants can be easily propagated by separating the pups that grow from the mother plant. Do this in spring or early summer for best results.
What light conditions do Spider Plants prefer?
Spider Plants thrive in bright, indirect light but can tolerate lower light conditions. Avoid direct sunlight to prevent leaf scorch.
How do I increase humidity for my Spider Plant?
To increase humidity, mist the leaves regularly or place a humidifier nearby. You can also group plants together to create a more humid microclimate.
When should I repot my Spider Plant?
Repot your Spider Plant every 1-2 years or when you notice roots growing out of the drainage holes, indicating it's root-bound.
Is the Spider Plant toxic to pets?
No, Spider Plants are non-toxic to both pets and children, making them a safe choice for households with animals.
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