Spider Plant Care Guide
Chlorophytum comosum
Spider plant is one of the most forgiving and fastest-multiplying common houseplants, and much of its appeal comes from the cascading plantlets ("spiderettes") it produces on long arching stems once mature. Getting consistent plantlet production, not just keeping the plant alive, is really the main care goal once the basics are covered.
Light
Spider plant does best in bright, indirect light, though it tolerates a fairly wide range from medium to bright light without serious complaint. In lower light it survives and grows but produces fewer plantlets and slightly less vivid variegation on striped cultivars like 'Vittatum.' Direct hot sun, especially through south or west glass in summer, scorches the thin leaf tips and margins, producing brown streaking that's easy to mistake for a watering problem.
Watering
The trigger to water is the top inch of soil drying out, which most households find lands close to once a week; when it does, water until it runs freely from the drainage holes. Spider plant's fleshy, water-storing roots (technically rhizomatous tubers) give it decent drought tolerance, so missing a watering occasionally isn't a serious problem — the leaves will show mild drooping and recover after a good soak.
One specific watering issue affects this plant more than most: spider plant is notably sensitive to fluoride, chlorine, and salts commonly found in tap water, which cause the characteristic brown leaf tips this plant is known for even when the watering schedule itself is otherwise fine. Using filtered water, distilled water, or water left out overnight to let chlorine dissipate meaningfully reduces tip browning.
Soil and Potting
A standard well-draining potting mix with added perlite works well. Spider plant grows quickly and produces a dense, sometimes tuberous root system, so repot annually or every other year, moving up one pot size when roots become visibly crowded or start pushing the plant up out of the soil.
Humidity and Temperature
Spider plant tolerates low humidity without much trouble, which contributes to its reputation as an easy plant, though very dry air can worsen the brown-tip issue in combination with mineral-heavy tap water. Keep it between 55-80°F; it has decent cold tolerance for a houseplant but should be kept away from frost and prolonged temperatures below 50°F.
Fertilizing
Feed every 2 weeks during spring and summer with a balanced liquid fertilizer at normal or slightly diluted strength — spider plant is a fast grower and benefits from more frequent feeding than many slower houseplants. Stop fertilizing in fall and winter.
Propagation
Spider plant is exceptionally easy to propagate because it does most of the work itself: mature plants send out long stems bearing plantlets that already have small aerial roots forming at their base. Simply pin a plantlet (still attached to the parent) into a small pot of moist soil, or snip it off and place the base in water, and roots establish within 1-2 weeks. A single mature spider plant can produce dozens of plantlets over a growing season, making this one of the easiest plants on this site to multiply for gifting or filling out a collection.
Common Mistakes and How to Read the Plant
Brown, crispy tips are the single most common spider plant complaint, and in the large majority of cases the cause is tap water quality (fluoride, chlorine, or dissolved salts) rather than under- or overwatering. Switching to filtered or distilled water, and flushing the soil thoroughly with plain water every couple of months to clear accumulated salts, resolves most cases within a few new growth cycles — existing brown tips won't reverse, but new growth should come in cleaner.
A spider plant that isn't producing plantlets despite looking otherwise healthy is usually not receiving quite enough light, or hasn't yet reached full maturity — plantlet production typically doesn't begin until the plant is reasonably well established, often a year or more old. Yellow leaves, especially combined with soggy soil, point to overwatering; a plant that's wilting with dry soil simply needs a thorough watering.
Spider plant is non-toxic to dogs and humans, but the ASPCA notes cats may be drawn to chew it due to mild compounds with effects similar to catnip, which can cause vomiting if enough is eaten — not considered dangerous, but worth keeping out of easy reach in households with a plant-chewing cat.
Pests are relatively uncommon on spider plant, though mealybugs and aphids occasionally appear, particularly clustering near the base of new plantlet stems or in the crown where leaves emerge. Because this plant is so frequently propagated and shared between owners, inspect any new plantlet or division closely before adding it to your collection, since pests travel easily on new cuttings and can establish in a healthy collection this way.
Spider mites can also turn up, especially on plants kept in warm, dry rooms through the winter heating season -- look for fine webbing between leaf blades near the crown and a dusty, stippled look on the upper leaf surface before an infestation becomes obvious. A strong rinse in the shower or sink every couple of weeks knocks mites off physically, and combined with a modest humidity increase this usually resolves a light infestation without needing a miticide. Because the leaves are thin and somewhat delicate compared to thicker-leaved houseplants, avoid oil-based treatments applied in strong direct sun, which can worsen leaf scorch on this species.
One housekeeping note specific to a plant that produces this many offsets: dead or spent plantlets left hanging on the parent for months become a minor pest magnet and also divert energy the parent could otherwise put toward new runners, so trimming off plantlets once they've rooted elsewhere -- or once they've clearly stalled and browned -- keeps the whole plant tidier and marginally more vigorous.