Peace Lily (Spathiphyllum): Everything You Need to Know


1. Botanical Details and Varieties:

  • Botanical Info:
    • Family: Araceae
    • Genus: Spathiphyllum
    • Common Names: Peace Lily, Spathy, White Sails
  • Types and Varieties:
    • Spathiphyllum wallisii (most common)
    • Other varieties include ‘Domino’, ‘Mauna Loa’, and ‘Sensation’ among others.

2. Ideal Growing Conditions:

  • Light:
    • Prefers bright, indirect light but can tolerate low light
    • Avoid direct sunlight to prevent leaf burn
  • Temperature:
    • Ideal temperature range: 65-80°F (18-27°C)
    • Sensitivity to cold drafts (avoid temperatures below 50°F/10°C)
  • Humidity:
    • Prefers moderate to high humidity (ideal for bathrooms and kitchens)
    • Can tolerate average indoor humidity but thrives with a little extra moisture
  • Soil:
    • Well-draining, peat-based potting mix
    • Importance of soil that retains some moisture but doesn’t stay soggy

3. Watering and Fertilizing:

  • Watering:
    • Water when the top inch of soil feels dry
    • Peace Lily’s drooping leaves as a sign of thirst (helpful indicator!)
    • Avoid overwatering and ensure good drainage to prevent root rot
  • Fertilizing:
    • Fertilize during the growing season (spring and summer) with a balanced liquid fertilizer
    • Reduce or stop fertilizing in the winter months
    • Peace Lilies are light feeders and can do well without frequent feeding

4. Common Issues and How to Fix Them:

  • Yellowing Leaves:
    • Causes: Overwatering, underwatering, or too much direct sunlight
    • Solutions: Adjust watering schedule, improve light conditions
  • Brown Leaf Tips:
    • Causes: Low humidity, underwatering, or too much direct sun
    • Solutions: Increase humidity, keep leaves moist, adjust watering frequency
  • Pests:
    • Common pests: Spider mites, mealybugs, aphids, and scale
    • Natural remedies: Neem oil, insecticidal soap, wiping leaves
  • Leaf Drop:
    • Causes: Stress from temperature changes, overwatering, or shock from repotting
    • Solutions: Stabilize environmental conditions and adjust care routine

5. How to Encourage Blooms:

  • Blooms Are Special:
    • The white “flowers” are actually spathes (modified leaves) surrounding a spadix (flower spike)
    • Peace Lily blooms throughout the year in ideal conditions
  • Conditions for Blooms:
    • Provide optimal light, temperature, and humidity
    • Maintain a consistent watering routine
    • Prune spent flowers to encourage new blooms
  • What to Do if Blooms Don’t Appear:
    • Check for possible care imbalances (light, water, nutrients)
    • Be patient—sometimes plants bloom in cycles, not constantly

6. Propagation Tips:

  • How to Propagate Peace Lily:
    • Best time: During repotting when the plant is mature
    • Separate healthy root sections with at least one leaf and repot
  • Rooting in Water vs. Soil:
    • Can be propagated in water, but soil propagation tends to be more reliable

7. Repotting and Potting:

  • When to Repot:
    • Signs it’s time to repot (roots are overcrowded, the plant is top-heavy)
    • Repot every 1-2 years or when it outgrows its pot
  • Best Potting Tips:
    • Choose a pot 1-2 inches larger in diameter than the current pot
    • Ensure the pot has good drainage to prevent waterlogging
  • Repotting Step-by-Step:
    • Carefully remove the plant from its pot
    • Refresh the soil and check for root health before replanting
    • Avoid damaging the roots during repotting

8. Benefits of Owning Spathiphyllum:

  • Air Purification:
    • Peace Lily is part of NASA’s Clean Air Study; it purifies the air by removing toxins like ammonia, benzene, formaldehyde, and trichloroethylene
    • Great for homes and offices to improve air quality
  • Aesthetic Appeal:
    • Elegant, glossy green leaves with striking white blooms
    • Fits well in modern, tropical, or minimalist décor
  • Low Maintenance:
    • Easy to care for, making it a great choice for beginners
    • Tolerates neglect and still thrives

9. Fun Facts About Spathiphyllum:

  • Symbolism:
    • Peace Lilies are often considered symbols of peace, calm, and prosperity
    • Sometimes associated with healing and comfort in Feng Shui
  • Name Meaning:
    • “Spathiphyllum” comes from the Greek words “spath” (spoon) and “phyllon” (leaf), referring to its distinctive spoon-shaped spathes

10. Additional Resources:

Here’s a list of reputable websites that provide reliable, expert information on Peace Lilies (Spathiphyllum) care as a houseplant:

1. The Spruce
  • Website: thespruce.com
  • Offers detailed care guides for Peace Lilies, including tips on light, watering, humidity, and troubleshooting common issues.
2. Missouri Botanical Garden
  • Website: missouribotanicalgarden.org
  • A trusted source for plant care information, providing comprehensive guides on growing, maintaining, and identifying Peace Lilies.
3. Royal Horticultural Society (RHS)
  • Website: rhs.org.uk
  • The RHS provides authoritative, research-backed plant care guides for houseplants, including Peace Lilies. Their site includes specific advice for growing and troubleshooting this species.
4. University of Florida IFAS Extension
  • Website: edis.ifas.ufl.edu
  • The University of Florida offers university extension resources that include expert care advice on Peace Lilies, based on horticultural research and best practices.
5. Gardenia.net
  • Website: gardenia.net
  • Gardenia.net provides a range of information on houseplant care, including Peace Lilies. Their guides cover everything from light requirements to common pests and diseases.
6. Plant Care Today
  • Website: plantcaretoday.com
  • This site offers practical advice and care tips for Peace Lilies, covering topics such as watering, fertilization, and troubleshooting common problems.
7. Houseplant Central
  • Website: houseplantcentral.com
  • Houseplant Central provides clear and expert-level guidance on Peace Lily care, including how to maintain optimal conditions for flowering and healthy growth.
8. Dave’s Garden
  • Website: davesgarden.com
  • A popular community-driven resource where gardeners share personal experiences and advice on plant care, including Peace Lilies.
9. Better Homes & Gardens
  • Website: bhg.com
  • Better Homes & Gardens offers practical tips on indoor gardening, including specific care advice for Peace Lilies and how to keep them thriving in your home.
10. The Sill
  • Website: thesill.com
  • An online plant shop with expert advice and care guides, The Sill provides useful, easy-to-follow tips for keeping Peace Lilies healthy and thriving in your home.

These websites are trusted by both amateur and experienced plant lovers for accurate, researched-based information on Peace Lily care. Whether you’re a beginner or looking for advanced tips, these sources have you covered.