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Botanical illustration of Peace Lily

Araceae

Peace Lily

Spathiphyllum wallisii

White spathes, deep green leaves, and a forgiving nature for first-time growers

W.carter via Wikimedia Commons (cc by_sa_4)

USDA zones
1a–13b
Light
Any
Water
Medium
Pet safety
Not pet-safe
Difficulty
Beginner

About this plant

Spathiphyllum wallisii is a perennial in the Araceae family, the same broad clan that includes philodendrons and anthuriums, and it carries that family's signature look: bold, glossy leaves paired with a distinctive hooded flower called a spathe. The spathe is a modified leaf, typically creamy white, that wraps around a finger-like spike of tiny true flowers. It is a compact, clump-forming perennial that belongs in any beginner's collection by asking very little in return.

One of the more remarkable things about this plant is its hardiness range: it is listed as hardy across USDA Zones 1a through 13b, which covers virtually every climate in the United States. That breadth speaks to its adaptability as a species. With only about ten minutes of care per week, it fits into even the busiest household routines. Medium water needs mean you are aiming for consistent moisture, not a swamp, not a desert, which is a straightforward target once you get a feel for the soil.

The gallery

Historical plates & modern photos

Bloom, Peace Lily

Bloom

W.carter via Wikimedia Commons (cc by_sa_4)

Gallery, Peace Lily

Gallery

Peter Fiskerstrand via Wikimedia Commons (public domain)

Gallery, Peace Lily

Gallery

Juan Carlos Fonseca Mata via Wikimedia Commons (cc by_sa_4)

How to grow it

Five steps, start to bloom.

Written for beginners. If you've never grown anything before, this is all you need to keep this plant alive and happy.

  1. Pick a spot

    Find a spot with enough light for its needs. Plant it outdoors, ideally sheltered from the harshest afternoon wind.

  2. Plant it

    Any good all-purpose potting mix or well-drained garden soil will do. Give each plant enough room for its mature spread. Crowding causes more problems than undersizing the bed. Water it in gently once it's settled.

  3. Water it

    Water when the top inch of soil feels dry, roughly once a week in summer. Soak the soil, then let it breathe before the next round.

  4. Feed & tend

    This one is very forgiving. A balanced all-purpose fertiliser at the start of the growing season is plenty, and you can skip a month without harm. Plan on 10 minutes a week of hands-on care: watering, a quick trim, checking for pests.

  5. Enjoy it

    Watch for new growth in spring and summer. If the leaves look tired, trim the oldest ones back to encourage fresh foliage.

Year at a glance

What to do, month by month.

Approximate for a temperate North American zone. Shift earlier the further south you garden, later the further north.

  1. Jan

    January: Rest

    Dormant

  2. Feb

    February: Rest

    Dormant

  3. Mar

    March: Wake up

    New growth

  4. Apr

    April: Tend

    Routine care

  5. May

    May: Tend

    Routine care

  6. Jun

    June: Tend

    Routine care

  7. Jul

    July: Tend

    Routine care

  8. Aug

    August: Tend

    Routine care

  9. Sep

    September: Tend

    Routine care

  10. Oct

    October: Tend

    Routine care

  11. Nov

    November: Wind down

    Prep for dormancy

  12. Dec

    December: Rest

    Dormant

Pet & people safety

This plant is toxic to pets or people.

The card below lists the species affected and the specific symptoms reported by the ASPCA or Pet Poison Helpline. Place it out of reach, and call the poison-control number if a pet or child has eaten any part of it.

  • Dogs

    Toxic

    Symptoms. Oral irritation, intense burning of mouth, drooling, vomiting.

    Despite the common name, peace lilies are not true lilies. Insoluble calcium oxalates cause irritation rather than kidney failure.

    Source: ASPCA

    Record covers Peace Lily toxicity for Dogs.

  • Cats

    Toxic

    Symptoms. Mouth pain, drooling, pawing at face, vomiting.

    Insoluble calcium oxalates — mechanism is irritant, not nephrotoxic.

    Source: ASPCA

    Record covers Peace Lily toxicity for Cats.

Bloomwise is not a substitute for veterinary or medical advice. Every line above comes from a hand-verified reference.

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Frequently asked

Common questions.

What USDA zones does Peace Lily grow in?
Peace Lily is hardy in USDA zones 1a to 13b. If your winter lows fall outside that range, grow it in a container you can bring indoors, or treat it as an annual.
How often should I water Peace Lily?
Water about once a week in summer, adjusting for rainfall. Soak the soil, then let it breathe before watering again.
How much sunlight does Peace Lily need?
Peace Lily prefers four to six hours of sun, ideally morning light.
Is Peace Lily safe for pets?
No. Peace Lily is toxic to dogs and cats according to verified poison-control sources. Keep it out of reach. If your pet has eaten any part of it, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Peace Lily good for beginners?
Yes, this is a forgiving plant that tolerates inconsistent watering and the occasional missed feeding. A good choice for a first garden.

Sources

Plant facts on this page come from a blend of public-domain and open-licensed datasets: Biodiversity Heritage Library (historical botanical illustrations, public domain), USDA PLANTS (taxonomy, public domain), GBIF (occurrence and taxonomy, CC-BY 4.0), OpenFarm (crop guides, CC-BY-SA 3.0), and Open-Meteo (climate and hardiness lookup, CC-BY 4.0). Toxicity records come from the ASPCA Animal Poison Control Center and the Pet Poison Helpline; every row is hand-verified against a primary reference.