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Plant care

Sensation Peace Lily (Giant Peace Lily) care

Spathiphyllum 'Sensation'

Also called Sensation Peace Lily, Giant Peace Lily.

RHS H1bUSDA 10–12Toxic to petsIndoor 120–180 cm tall and 90–120 cm wide

Watering rhythm

7-10days

Every 7–10 days in spring and summer; every 14 days in autumn and winter

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Light

Medium indirect light (a couple of metres from a window)

Soil

Rich, well-draining peat-free compost with perlite

Humidity

50–70%

Temp

18–30°C

Pet safety

Toxic to pets

Mature size

120–180 cm tall and 90–120 cm wide

Care at a glance

Light

Sensation Peace Lily wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. Best in bright to medium indirect light — an east or west-facing position a metre or two from the window is ideal. Low light is tolerated but produces slower growth and fewer flowers. Direct sun bleaches and scorches the large leaves. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water sensation peace lily every 7–10 days in spring and summer; every 14 days in autumn and winter. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water thoroughly when the top 2–3 cm of compost is dry. The larger root mass holds more moisture than smaller cultivars, so allow adequate drying time between waterings to prevent root rot. Use lukewarm, ideally filtered water.

Soil and pot

Sensation Peace Lily grows best in rich, well-draining peat-free compost with perlite. Use a high-quality peat-free loam-based or multipurpose compost amended with 25–30% perlite. The large plant benefits from a heavier substrate for stability. Repot into a pot one size larger each spring until a mature size is reached. 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

Sensation Peace Lily sits happiest at around 50–70% humidity and 18–30°C (64–86°F). High humidity keeps the large leaves looking their best and prevents brown tips. In centrally heated rooms, mist frequently, stand on a large pebble tray filled with water, or use a humidifier. Avoid cold, draughty locations. If you keep the room above 18–30°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 sensation peace lily sparingly. Feed monthly from April to September with a balanced liquid fertiliser at half the manufacturer's recommended dose. Larger plants can tolerate slightly more frequent feeding but excess nitrogen causes soft, floppy growth. Withhold feed in winter. 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 sensation peace lily in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Brown leaf tips and edges — Very common on large-leaved cultivars and typically caused by low humidity, fluoride toxicity from tap water, or salt accumulation from over-feeding. Switch to rainwater or filtered water, flush the soil periodically, and increase ambient humidity.
  • Toppling or instability — The large top-heavy canopy can tip lightweight plastic pots. Use a heavy terracotta or ceramic pot with a wide base, and ensure the compost is suitably firm. Staking is rarely needed if the pot-to-plant ratio is correct.
  • Mealybugs — White cottony masses in leaf axils and along stems indicate mealybugs. Remove visible colonies with a cotton bud dipped in rubbing alcohol, then spray the whole plant with insecticidal soap or neem solution. Repeat every 7–10 days until clear.

Propagation

Divide large clumps at repotting time in spring, ensuring each section has healthy roots and a minimum of three to five leaves. Pot divisions in fresh compost, water in well, and keep in warm, indirect light until new growth appears. Divisions from 'Sensation' are slow to re-establish due to the size of the root sections. 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

Sensation Peace Lily is toxic to pets. Contains insoluble calcium oxalate raphides throughout all tissues. Ingestion by pets or humans causes immediate oral irritation, drooling, pawing at the mouth, swelling, and vomiting. ASPCA classifies Spathiphyllum as toxic to cats and dogs. The large leaf surface also poses a higher contact risk. 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.

Sensation Peace Lily care — frequently asked questions

What is the common name for Spathiphyllum 'Sensation'?

Spathiphyllum 'Sensation' is most commonly called Sensation Peace Lily, but it is also known as Sensation Peace Lily, Giant Peace Lily. The names refer to the same species, so care instructions for Sensation Peace Lily apply identically to anything sold as Giant Peace Lily.

How much light does sensation peace lily need?

Sensation Peace Lily grows best in medium indirect light (a couple of metres from a window). Best in bright to medium indirect light — an east or west-facing position a metre or two from the window is ideal. Low light is tolerated but produces slower growth and fewer flowers. Direct sun bleaches and scorches the large leaves.

How often should I water sensation peace lily?

Water sensation peace lily every 7–10 days in spring and summer; every 14 days in autumn and winter. Water thoroughly when the top 2–3 cm of compost is dry. The larger root mass holds more moisture than smaller cultivars, so allow adequate drying time between waterings to prevent root rot. Use lukewarm, ideally filtered water. 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 sensation peace lily toxic to cats and dogs?

Sensation Peace Lily is toxic to pets. Contains insoluble calcium oxalate raphides throughout all tissues. Ingestion by pets or humans causes immediate oral irritation, drooling, pawing at the mouth, swelling, and vomiting. ASPCA classifies Spathiphyllum as toxic to cats and dogs. The large leaf surface also poses a higher contact risk.

What USDA hardiness zone does sensation peace lily grow in?

Sensation Peace Lily is rated for USDA zone 10–12 and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Sensation Peace Lily deep-dive guides

Every aspect of sensation peace lily care, each with its own calibrated guide:

Featured in these plant shortlists

Sensation Peace Lily qualifies for 5 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 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 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 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Sensation Peace Lily is also commonly called Sensation Peace Lily or Giant Peace Lily.