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Plant care

Patini's Peace Lily (Patini Peace Lily) care

Spathiphyllum patinii

Also called Patini Peace Lily, White Sails, Spathe Flower.

RHS H1cUSDA 10–12Toxic to petsIndoor 45–65 cm tall and wide

Watering rhythm

7-10days

When the top 2–3 cm of soil feels dry, roughly every 7–10 days in warm seasons

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Light

Low light (north window or shaded room)

Soil

Well-draining peat-free all-purpose potting compost

Humidity

50–70%

Temp

15–27°C

Pet safety

Toxic to pets

Mature size

45–65 cm tall and wide

Care at a glance

Light

If you have a corner where every other plant turned leggy and died, try patini's peace lily. One of the most shade-tolerant flowering houseplants available. Grows well in north-facing rooms and away from windows. Bright indirect light encourages more frequent flowering. Avoid direct sunlight, which bleaches and scorches the leaves. The catch: when a low-light plant does fail, it's almost always because someone watered it on the same schedule as their brighter plants. Less light = less water, every time.

Watering

Watering patini's peace lily: when the top 2–3 cm of soil feels dry, roughly every 7–10 days in warm seasons. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Water thoroughly and allow excess to drain fully. The plant will wilt dramatically when underwatered (a reliable indicator) and generally recovers quickly after watering. However, chronic overwatering causes root rot — never leave in standing water. Reduce frequency in winter.

Soil and pot

Patini's Peace Lily grows best in well-draining peat-free all-purpose potting compost. A quality peat-free all-purpose compost with good moisture retention suits peace lilies well. Adding 20% perlite improves drainage and prevents root rot in pots without perfect drainage habits. 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

Patini's Peace Lily sits happiest at around 50–70% humidity and 15–27°C (60–80°F). Benefits from moderate to high humidity. Mist leaves occasionally, use a pebble tray, or place near a humidifier. Very dry centrally heated rooms cause brown leaf tips; wipe dust from leaves regularly for best appearance. If you keep the room above 15–27°C 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 patini's peace lily sparingly. Feed once a month from spring through early autumn with a balanced liquid houseplant fertiliser at half the recommended strength. Avoid over-feeding, which encourages leaf growth at the expense of flowers. 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 patini's peace lily in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Yellow leaves — Overwatering is the most frequent cause. Allow the top 2–3 cm of soil to dry between waterings and ensure the pot drains freely.
  • Brown leaf tips — Low humidity, fluoride in tap water, or over-fertilising causes tip browning. Use filtered or rainwater, reduce fertiliser frequency, and increase humidity.
  • Failure to flower — Insufficient light is the main reason peace lilies stop blooming. Move to a brighter (but still indirect) position; a light-boosting move in late winter often triggers spring flowering.
  • Root rot — Waterlogged soil rots the roots rapidly. Check for mushy dark roots, trim affected tissue, repot in fresh well-draining compost, and adjust watering habits.
  • Drooping despite moist soil — Wilting in a well-watered plant may indicate root rot, pot-boundness, or cold draughts. Investigate root health and repot if circling roots are visible at the base.

Companion plants

Patini's Peace Lily pairs well with Pothos (Epipremnum aureum), ZZ Plant (Zamioculcas zamiifolia), Snake Plant (Dracaena trifasciata), and Chinese Evergreen (Aglaonema commutatum). These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Divide root clumps when repotting in spring. Gently pull or cut apart sections of the rhizome, each with several leaves and roots. Pot divisions individually in fresh compost and keep in warm, humid conditions until established. 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

Patini's Peace Lily is toxic to pets. The ASPCA lists Spathiphyllum (peace lily) as toxic to cats and dogs. All plant parts contain calcium oxalate crystals, causing oral irritation, excessive drooling, vomiting, and difficulty swallowing if ingested. The sap may also cause skin irritation in sensitive individuals. 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.

Patini's Peace Lily care — frequently asked questions

What is the common name for Spathiphyllum patinii?

Spathiphyllum patinii is most commonly called Patini's Peace Lily, but it is also known as Patini Peace Lily, White Sails, Spathe Flower. The names refer to the same species, so care instructions for Patini's Peace Lily apply identically to anything sold as Patini Peace Lily.

How much light does patini's peace lily need?

Patini's Peace Lily grows best in low light (north window or shaded room). One of the most shade-tolerant flowering houseplants available. Grows well in north-facing rooms and away from windows. Bright indirect light encourages more frequent flowering. Avoid direct sunlight, which bleaches and scorches the leaves.

How often should I water patini's peace lily?

Water patini's peace lily when the top 2–3 cm of soil feels dry, roughly every 7–10 days in warm seasons. Water thoroughly and allow excess to drain fully. The plant will wilt dramatically when underwatered (a reliable indicator) and generally recovers quickly after watering. However, chronic overwatering causes root rot — never leave in standing water. Reduce frequency in winter. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is patini's peace lily toxic to cats and dogs?

Patini's Peace Lily is toxic to pets. The ASPCA lists Spathiphyllum (peace lily) as toxic to cats and dogs. All plant parts contain calcium oxalate crystals, causing oral irritation, excessive drooling, vomiting, and difficulty swallowing if ingested. The sap may also cause skin irritation in sensitive individuals.

What USDA hardiness zone does patini's peace lily grow in?

Patini's Peace Lily is rated for USDA zone 10–12 (indoor-only in most climates) and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Patini's Peace Lily deep-dive guides

Every aspect of patini's peace lily care, each with its own calibrated guide:

Featured in these plant shortlists

Patini's Peace Lily qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • 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 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.
  • Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
  • Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Patini's Peace Lily is also known as Patini Peace Lily, White Sails, and Spathe Flower.