Pilea pumila (clearweed) care

Light

Picture the indirect light an east-facing window gives mid-morning — that's the brightness pilea pumila grows fastest in. A woodland understorey plant that prefers part to full shade and dappled light. Indoors give it medium, indirect light away from direct sun, which quickly scorches the thin, translucent foliage. It naturally grows in shaded, damp forest floors and stream banks. You'll know it's right when new leaves come out the same size and colour as the established ones. Smaller, paler new leaves = move closer to the window.

Watering

Aim for keep consistently moist; check every 2-4 days for pilea pumila, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Clearweed is a moisture lover that wilts dramatically the moment soil dries. Keep the medium reliably damp but not standing in water. In the wild it colonises wet, rich soils near streams; replicate that steady moisture and it stays lush.

Soil and pot

Pilea pumila grows best in rich, moisture-retentive woodland soil. A fertile, humus-rich mix with plenty of organic matter holds the moisture this plant demands while still draining. A loamy compost amended with leaf mould suits it. It tolerates a range of pH but prefers slightly acidic to neutral, nutrient-rich ground. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Pilea pumila sits happiest at around 50-70% humidity and 13-24°C (55-75°F). A humidity-loving forest annual that resents dry air. Above 50% keeps the soft leaves turgid; low humidity combined with dry soil causes rapid wilting and leaf drop. It is far happier in cool, damp conditions than in a centrally heated room. If you keep the room above 13 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed pilea pumila sparingly. Rarely needs feeding in fertile woodland soil. If grown in containers, a light feed of dilute balanced liquid fertiliser once a month during active growth is plenty. As a short-lived annual it does not require sustained feeding. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on pilea pumila in the Growli community. Each is annotated with the most common cause so you know where to start.

• Sudden wilting — The most common issue; the soft stems collapse fast when soil dries. Water promptly and keep the medium consistently moist.
• Scorched, papery leaves — Direct sun damages the translucent foliage. Move to shade or bright indirect light.
• Aggressive self-seeding — It seeds heavily and can become weedy. Remove flower spikes before seed sets if you want to limit spread.
• Leggy, weak growth — Poor light or impoverished soil produces thin, floppy stems. Give richer soil and adequate, even moisture.

Propagation

Easiest from seed, which it produces in abundance and self-sows readily; sow on the surface of moist, rich soil. Soft stem cuttings will also root in damp soil or water, though as an annual the plant completes its cycle in a single season. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Pilea pumila is pet-safe. Within the ASPCA non-toxic Pilea genus; multiple Pilea species (including P. nummulariifolia, P. cadierei, P. involucrata and P. microphylla) are individually ASPCA-listed as non-toxic to cats and dogs, and no Pilea is listed as toxic. Despite its nettle-like look it has no stinging hairs or toxic principle. Large amounts may still cause mild stomach upset. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Pilea pumila deep-dive guides

Every aspect of pilea pumila care, each with its own calibrated guide:

• Pilea pumila watering schedule
• Pilea pumila light requirements
• Best soil mix for pilea pumila
• Pilea pumila fertilizing guide
• When to repot pilea pumila
• How to propagate pilea pumila
• Pilea pumila growth rate & size
• Pilea pumila cold hardiness
• Pilea pumila temperature & humidity
• Is pilea pumila toxic to cats & dogs?
• Is pilea pumila toxic to cats?
• Is pilea pumila toxic to dogs?

Featured in these plant shortlists

Pilea pumila qualifies for 15 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
• Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best pet-safe low-light plants — Non-toxic to cats and dogs AND happy with no direct sun — the two hardest constraints to satisfy at once.
• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best houseplants for beginners — Forgiving of irregular light and watering — the houseplants least likely to die in a new plant parent’s first season.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
• Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
• Best pet-safe bathroom plants — Non-toxic to cats and dogs and happy in the humid, lower-light conditions of a bathroom — safe greenery for the smallest room.
• Best succulents for beginners — The easiest succulents and cacti to keep alive — selected by documented growth habit, each with the light and watering it actually wants.
• Best pet-safe succulents — Succulents the ASPCA lists as non-toxic to cats and dogs — low-water greenery that is also safe around a curious pet.
• Best pet-safe bedroom plants — Non-toxic to cats and dogs and happy in lower light — calming greenery for a bedroom where a pet often sleeps too.
• Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
• Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Pilea pumila is also known as clearweed, coolwort, and richweed.

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• All 2464 plant care guides in the Growli library