How to Grow Spider Plant
Wikimedia Commons
Spider Plant
Chlorophytum comosum
grassSpider plants are popular, easy-to-grow houseplants known for their long, arching, variegated leaves and trailing habit. They produce small white flowers followed by plantlets (spiderettes) that dangle from runners, resembling spiders on webs. These air-purifying plants are nearly indestructible and perfect for beginners.
When should you plant Spider Plant in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Spider Plant timeline · Pittsburgh, PA (Zone 6b)
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Plant Spider Plant
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Spider Plant
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Spider Plant dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Outdoor year-round in zones 10-11; houseplant everywhere
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Get my Spider Plant timeline →Growth Stages
Establishment
2-4 weeksYoung plant with 4-6 leaves, small root system developing
Keep soil consistently moist; place in bright, indirect light; allow plant to acclimate to new environment for 1-2 weeks
Vegetative Growth
2-4 monthsPlant develops numerous long, arching leaves; foliage becomes fuller and more robust
Water regularly; fertilize monthly with diluted balanced fertilizer (10-10-10); rotate pot weekly for even growth; wipe leaves monthly to remove dust
Flowering & Runner Production
Ongoing, spring through fallSmall white or pale green flowers appear on thin runners; flowers fade quickly but runners develop plantlets (spiderettes) with tiny root nodes
No special care needed; runners will naturally produce plantlets; maintain consistent moisture and light
Plantlet Development
4-8 weeksSpiderettes grow roots while still attached to mother plant; each plantlet develops 2-3 leaves and visible root nubs
Optional: mist plantlets to encourage root development; keep mother plant healthy with consistent care; plantlets can be left to trail or propagated
Mature Plant
Indefinite; plants live many yearsFull, lush plant with multiple runners producing numerous plantlets; may reach 2-3 feet in diameter when fully mature
Maintain regular watering and monthly feeding; prune old or damaged leaves; divide and repot every 2-3 years; trim runners if desired for neater appearance
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap; isolate plant; wipe leaves with alcohol-soaked cloth; repeat weekly until resolved
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Increase humidity by misting; spray with neem oil; use insecticidal soap; ensure good air circulation
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Remove by hand with tweezers; spray with horticultural oil; treat with neem oil every 7-14 days
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Spray with water to dislodge; use insecticidal soap; neem oil effective if repeated
Uses
Air Purification
HouseholdSpider plants are proven air purifiers that remove formaldehyde and xylene from indoor air, improving air quality in homes and offices. NASA research confirmed their effectiveness in cleaning indoor environments. [source]
Low-Maintenance Houseplant
HouseholdExceptionally hardy and forgiving, making spider plants ideal for beginners, busy people, and those with inconsistent watering schedules. Their tolerance for neglect and ability to bounce back from poor conditions is legendary. [source]
Hanging Basket & Trailing Display
HouseholdThe graceful cascading runners with dangling plantlets create attractive living curtains in hanging baskets, macramé holders, or high shelves. Provides dynamic, moving greenery that draws the eye upward. [source]
Pet-Safe Greenery
WildlifeCompletely non-toxic to cats and dogs, making spider plants a safe choice for pet-owning households. Cats often enjoy playing with the dangling runners without harm. [source]
Plant Propagation & Sharing
CraftThe abundant plantlets provide endless propagation material for sharing with friends, family, and community plant swaps. A single mature plant can produce dozens of new plants annually. [source]
Harvest Tips
Not typically harvested; instead, propagate plantlets by placing spiderettes in water until roots develop (1-2 weeks), then pot in soil. Alternatively, cut runners once plantlets have visible roots and place directly in moist potting soil. Plantlets root readily and grow quickly.
Fun Facts
- 🌱 Spider plants earned their common name from their resemblance to spiders dangling from their webs—the mother plant is the 'spider' and the plantlets are the 'babies' on silk strands.
- 🌱 A single mature spider plant can produce 100+ plantlets in a season, making it one of the most prolifically reproductive houseplants.
- 🌱 Spider plants were among the first plants studied by NASA in the 1980s for their air-purifying abilities and remain one of the most effective houseplants for removing indoor air pollutants.
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