Peace lily (Spathiphyllum lanceifolium)

Also known as: Peace Lily, White Sails

The Peace lily (Spathiphyllum) is a favored indoor plant, recognized for its striking white blooms and vibrant, glossy green leaves. While it enhances indoor spaces with its beauty and air-purifying properties, caution is necessary when handling it due to its toxicity.

**Characteristics:**
- Features attractive, dark green, shiny leaves.
- Produces elegant white flowers, known as spathes.
- Known for its ability to improve indoor air quality.

**Precautions:**
- Toxic to both humans and pets if ingested, potentially causing irritation and digestive issues.
- Handle with care to avoid skin irritation; gloves are recommended for those with sensitive skin.
- Ensure it is placed out of the reach of children and animals.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Peace lily

Lifespan

Perennial

Plant Type

Herb

Plant Height

30 cm to 40 cm

Spread

40 cm

Leaf Color

Green

Flower Size

15 cm

Flower Color

White Yellow Green

Images of Peace lily

Quickly Identify Peace lily

Identify Spathiphyllum lanceifolium by its dark green, lance-shaped leaves and the distinctive white spathes that surround its tiny flowers. The plant typically has an upright, bushy growth habit.

Scientific Classification of Peace lily

Phylum

Vascular plants

Class

Monocotyledons

Order

Water plantains and allies

Family

Arum

Genus

Peace lilies

Species

Peace lily

Planting and Growing of Peace lily

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

70-80℉

Soil Type

Potting Mix, Peat Mix

Soil pH

5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Terracotta

How to Water Peace lily?

Spathiphyllum lanceifolium thrives when watered with approximately 250 milliliters of water per session. Ensure the water is enough to moisten the top 2-3 inches of soil but does not leave the plant waterlogged. The aim is to keep the soil consistently moist but not drenched, mimicking the natural conditions of its native tropical environment.

What are the symptoms of an underwatered Peace lily? ›

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What Are the Sunlight Requirements for Peace lily?

Sunlight Requirements: Partial sun, Full shade

Duration of light: 4-6 hours of light

Spathiphyllum lanceifolium thrives best with partial sun to full shade. An ideal lighting setup encourages greener foliage, robust blooming, and prevents ailments associated with improper light exposure, thus enhancing the plant's vibrancy and resilience.

What is the ideal amount of light for Spathiphyllum lanceifolium? ›

How can you ensure Spathiphyllum lanceifolium receives ideal lighting? ›

What benefits does Spathiphyllum lanceifolium experience from ideal lighting? ›

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What Is the Ideal Temperature Range for Peace lily?

Ideal Temperature: 70 ~ 80℉

The ideal temperature range for Spathiphyllum lanceifolium is between 70°F and 80°F, providing an optimal environment for its growth and vitality. These temperatures ensure that the plant maintains its metabolic processes efficiently. In these conditions, the plant is able to photosynthesize effectively, allowing for better growth and healthier leaves. It also reduces stress on the plant, preventing issues such as wilting or leaf drop.

What Soil is Best for Peace lily?

Soil type: Loam, Peat soil

Soil PH: 5 ~ 7.5

Spathiphyllum lanceifolium thrives in nutrient-rich soil that supports its glossy foliage and healthy growth. A rich medium provides essential nutrients, promoting lush leaves and regular blooming. Consistently moist soil is crucial for this plant, as it mimics its natural rainforest habitat. This moisture level ensures optimal absorption of nutrients, preventing stress and dehydration. Though moisture is vital, well-draining soil prevents root rot and waterlogging. It balances water retention and drainage, keeping roots healthy and oxygenated.

How to Fertilize Peace lily?

Fertilizer type: Balanced

For Spathiphyllum lanceifolium, it is best to use a balanced liquid fertilizer diluted to half strength. Apply it evenly across the soil, ensuring the entire root zone receives nutrients. For slow-release granules, sprinkle the recommended dose as per package instructions. Too much can harm the plant, so always follow guidelines for size and type.

How to Prune Peace lily?

Pruning Time: Spring, Summer, Autumn, Winter

Begin by examining your plant for any yellowing or dead leaves. Use clean, sharp scissors or pruning shears to cut these leaves off at the base of the stem. Be gentle to avoid damaging any healthy parts of the plant. Focus on maintaining a pleasing shape, so cut back any excessively long stems that alter the plant’s overall balance. Pruning monthly will keep your plant looking fresh and lush. For advanced pruning, inspect for overcrowded growth. Trim back indoor Spathiphyllum lanceifolium to allow light and air to reach deeper leaves. If your plant flowers, remove spent flower stalks to redirect energy towards leaf growth. When pruning, always opt for diagonal cuts to facilitate faster healing. Consider rotating the plant regularly so it grows evenly from all sides. More About Pruning Techniques→

How to Propagate Peace lily plant?

Propagate Time: Early spring, Late spring

Before division, water the parent plant thoroughly a day or two in advance. This ensures that the plant is hydrated and the root mass is easier to work with. Ensure that the plant is healthy and free from pests or diseases to promote successful division.

Gently remove the plant from its current pot and shake off excess soil to expose the root system. Use the sharp knife or shears to cut through the clump of roots, ensuring each new section has both roots and foliage. Handle the roots carefully to avoid unnecessary damage.

Place each division in its own pot filled with fresh potting medium. Plant them at the same depth they were growing previously, and water them lightly to settle the soil around the roots. Ensure good air circulation around the pots to reduce the risk of fungal problems.

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How to Repot Peace lily plant?

Repotting frequency: Every 1-2 years

Spathiphyllum lanceifolium requires repotting when you notice roots emerging from drainage holes or the plant appearing root-bound and stunted. These are signs that the plant has outgrown its current container, and repotting is essential to provide ample space for the growing roots, ensuring continued health and growth.

Choosing the right pot is crucial for Spathiphyllum lanceifolium. Opt for a pot that is one size larger than the current one, and ensure it has adequate drainage holes to prevent waterlogging. The pot should be made of a material that suits your indoor environment, like ceramic for moisture retention or plastic for lightweight handling.

Select a well-draining potting mix, ideally containing peat moss, pine bark, and perlite. This combination ensures the soil retains sufficient moisture without becoming waterlogged, which benefits root health and promotes efficient nutrient uptake, critical for healthy plant growth.

More About Repotting Techniques→

Toxicity of Peace lily

Is Peace lily toxic to humans?

When consumed, the peace lily can pose a danger to humans because of its toxic characteristics. The resulting symptoms may range from moderate to severe. This is due to the presence of toxic calcium oxalate crystals within the juice and sap of the leaves, as well as potentially other parts of the plant; ingestion can lead to burning sensations and pain in the mouth, excessive drooling, and vomiting. As a widely favored houseplant that is commonly cultivated for decoration, it may be easily reachable for children, who might unknowingly nibble on or consume the leaves and other plant sections.

Is Peace lily toxic to cat?

The peace lily is recognized as a poisonous plant for cats. Cats might accidentally consume different parts of the peace lily, resulting in toxic reactions. As each section of the plant is harmful, cats may exhibit signs of physical distress soon after ingestion. Pet owners should vigilantly observe their cats and promptly contact a veterinarian if any accidental consumption takes place to guarantee their pet gets swift and suitable care.

Is Peace lily toxic to dog?

The peace lily is recognized as toxic to dogs. If a dog accidentally consumes any portion of this plant, either out of curiosity or by mistake, it can lead to poisoning. Every part of the peace lily poses a risk, meaning that ingestion by a dog could trigger symptoms related to toxicity. These symptoms might manifest as vomiting, diarrhea, excessive drooling, oral irritation, and challenges with swallowing. It is imperative for dog owners to be attentive and to keep their pets away from peace lily plants. Should a dog ingest any part of this plant, it is vital to seek prompt veterinary assistance to secure the best possible outcome for the affected animal.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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