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Growing Inspiration
Inspiration for future Agardeni growing environments.
ornamentalFamily: AraceaeGenus: Spathiphyllum
Cultivar
Sweet Mario Peace Lily
Spathiphyllum
Spathiphyllum 'Sweet Mario' is a compact and resilient cultivar recognized for its dense, upright, and glossy foliage. It is an excellent choice for interior environments, as it thrives in lower light and helps to add a soft, tropical touch to home or office decor. When mature, it produces the characteristic spathe and spadix flowers common to the genus, appearing as elegant white sails against the dark leaves.
The Sweet Mario Peace Lily is an elegant, shade-tolerant tropical plant valued for its lush, deep green foliage and reliable, graceful white blooms. It makes a sophisticated addition to indoor spaces that require low-maintenance greenery.
Marketplace packs coming soon
Current nursery inventory and 18 / 36 / 72 pricing will appear here when available.
Cultivar Story
Start with Inspiration. Grow Your Aspiration.
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Marketplace Plant
A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.
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Aspirational Garden
Grow your aspirational plan into an inspirational garden.
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Plant Detail
A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.
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Repotting / Start Growing
Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.
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Start · Plan · Grow
Start with real plants. Plan with current marketplace availability. Grow your aspirational garden.
Cultivar Video
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See this cultivar from starter plant to aspirational garden.
Plant Profile
Grow Sweet Mario Peace Lily with confidence
Key growing information first, with the complete reviewed cultivar profile available when you want it.
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Sun
Bright, indirect light is best; tolerates lower light conditions but may produce fewer flowers.
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Water
Keep the soil consistently moist but not waterlogged. The plant will visibly droop when it needs water, acting as a natural indicator.
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Mature size
24-36 inches tall and wide
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Hardiness
11-12 (primarily grown as a houseplant)
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Growth habit
clumping perennial
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Plant type
tropical foliage plant
View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
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View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
Good to know
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Growing note
Peace lilies are sensitive to chemical tap water; if leaf tips brown, consider using filtered or distilled water. Keep away from cold drafts and direct heating vents.
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Climate note
Prefers steady temperatures between 65°F and 80°F. Avoid exposure to temperatures below 55°F.
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Flower / fruit
Produces white spathes that typically appear in spring or summer, though mature plants can bloom intermittently with proper light.
Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Sun / light
Bright, indirect light is best; tolerates lower light conditions but may produce fewer flowers.
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Growth rate
moderate
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Fertilizer
Use a balanced, water-soluble fertilizer at half-strength during the active growing season in spring and summer.
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Pruning
Remove spent flowers or yellowing leaves at the base of the stem using clean shears to encourage new growth.
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Care notes
Peace lilies are sensitive to chemical tap water; if leaf tips brown, consider using filtered or distilled water. Keep away from cold drafts and direct heating vents.
Size & Habit
How the plant grows and the space it needs at maturity.
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Size & Habit
How the plant grows and the space it needs at maturity.
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Mature size
24-36 inches tall and wide
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Growth habit
clumping perennial
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Spacing
24-30 inches
Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flowering / fruiting
Produces white spathes that typically appear in spring or summer, though mature plants can bloom intermittently with proper light.
Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Hardiness zones
11-12 (primarily grown as a houseplant)
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Temperature
Prefers steady temperatures between 65°F and 80°F. Avoid exposure to temperatures below 55°F.
Soil & Water
Moisture, drainage, soil, and pH preferences.
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Soil & Water
Moisture, drainage, soil, and pH preferences.
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Watering
Keep the soil consistently moist but not waterlogged. The plant will visibly droop when it needs water, acting as a natural indicator.
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Soil
A rich, peat-based, well-draining potting mix is ideal to support moisture retention and aeration.
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Soil pH
5.8-6.5
More Plant Data
19 additional reviewed fields from this Plant.id.
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More Plant Data
19 additional reviewed fields from this Plant.id.
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Container Growing
Perfect for containers, as they prefer to have their roots somewhat snug. Ensure pots have drainage holes to prevent root rot.
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Family
Araceae
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Foliage Look
lush, glossy, deep green, lance-shaped foliage
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Foliage Rules
Leaves must be lanceolate, deep green, and glossy; avoid pale or excessively thin foliage.
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Fruit Flower Look
elegant white spathe surrounding a cream-colored spadix
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Fruit Flower Rules
Flowers are white spathes; do not show flowers on tiny juvenile starters.
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Growth Habit Rules
Maintain a clumping structure; do not present as a trailing or vine-like plant.
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Mature Plant Look
full, upright, clumping Peace Lily with deep green leaves
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Mature Stage Morphology
A dense, upright, clumping habit with deep green, lance-shaped leaves and occasional white, hood-like spathes surrounding a central spadix.
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Morphology Rules
The plant should always feature a basal rosette of leaves; stems originate from a central crown.
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Plant Faqs
How often does the Sweet Mario Peace Lily need water? It typically needs water when the top inch of soil feels dry or the leaves start to droop slightly. Will my Sweet Mario Peace Lily bloom indoors? Yes, it can produce white flowers if given enough bright, indirect light and proper care. Is this plant toxic to pets? Yes, Spathiphyllum species contain calcium oxalate crystals and can be toxic if ingested by pets.
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Root Look
white, fibrous, healthy roots in a starter cell
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Soil Look
damp, dark, porous potting media
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Starter Stage
Small, compact plug with several developing, bright green lanceolate leaves.
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Starter Stage Morphology
Young, glossy, dark green leaves with prominent veining; roots are typically white and healthy.
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Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Sweet Mario Peace Lily. This is Sweet Mario Peace Lily, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let this elegant foliage become part of your aspirational plan, helping you imagine the refined indoor growing space you want to create. Notice the lush, deep green leaves and the striking white blooms that bring a sophisticated, tropical aesthetic to any room. Establish your new starter plant by moving it into a four-inch pot with quality, well-draining mix, later transitioning it to a permanent decorative container when established. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
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Youtube Tags
Spathiphyllum Peace Lily Sweet Mario houseplants indoor gardening tropical plants Agardeni foliage plants starter plants shade plants
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Youtube Video Summary
Explore the elegant Sweet Mario Peace Lily, a popular tropical houseplant known for its deep, glossy foliage and graceful white blooms. Learn how to successfully establish this beautiful perennial in your indoor living space.
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Youtube Video Title
Growing the Sweet Mario Peace Lily: Care and Indoor Styling
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Future Buyer Brand Sellers
Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.