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Growing Inspiration
Inspiration for future Agardeni growing environments.
ornamentalFamily: MarantaceaeGenus: CalatheaSpecies: insignis
Cultivar
Rattlesnake Plant
Calathea insignis 'Rattlesnake'
Cultivar: Rattlesnake
Calathea insignis 'Rattlesnake' features elongated, wavy-edged foliage with a striking, reptilian-like pattern of dark green spots against a lighter green background. The undersides of the leaves are a rich burgundy, adding a vibrant pop of color to any indoor collection. This plant thrives in warm, humid conditions and is highly prized for its decorative, architectural appeal in interior spaces.
The Rattlesnake Plant is a stunning tropical foliage plant known for its lance-shaped leaves with distinctive dark green blotches and a deep purple underside.
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
Agardeni▶
Cultivar Video Coming Soon
See this cultivar from starter plant to aspirational garden.
Plant Profile
Grow Rattlesnake Plant 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; protect from harsh direct sun.
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Water
Keep soil consistently moist but never waterlogged; use distilled or filtered water if tap water has high mineral content.
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Mature size
18-24 inches tall and wide.
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Hardiness
11-12 (typically grown as a houseplant)
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Growth habit
Clumping perennial with an upright, spreading habit.
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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
Maintain consistent warmth and high humidity to prevent leaf edges from browning. Avoid direct sunlight which can fade the intricate leaf patterns.
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Climate note
Thrives between 65 and 80 degrees Fahrenheit; keep away from cold drafts or heating vents.
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Flower / fruit
Primarily grown for its foliage; flowering is rare in indoor environments.
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; protect from harsh direct sun.
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Growth rate
Moderate.
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Fertilizer
Apply a balanced liquid fertilizer diluted to half strength monthly during the active growing season.
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Pruning
Remove older or damaged leaves at the base of the stem to encourage fresh growth.
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Care notes
Maintain consistent warmth and high humidity to prevent leaf edges from browning. Avoid direct sunlight which can fade the intricate leaf patterns.
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
18-24 inches tall and wide.
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Growth habit
Clumping perennial with an upright, spreading habit.
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Spacing
18-24 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
Primarily grown for its foliage; flowering is rare in indoor environments.
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 (typically grown as a houseplant)
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Temperature
Thrives between 65 and 80 degrees Fahrenheit; keep away from cold drafts or heating vents.
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 soil consistently moist but never waterlogged; use distilled or filtered water if tap water has high mineral content.
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Soil
Well-draining, peat-based potting mix that retains moisture while providing aeration.
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Soil pH
6.0-7.0
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
Excellent for container growing in indoor spaces; choose pots with drainage holes to ensure root health.
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Family
Marantaceae
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Foliage Look
Lance-shaped, wavy-edged, light and dark green marbled top, dark purple underside.
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Foliage Rules
Leaves are lance-shaped with wavy margins and distinct, repeating dark green blotches on a pale green surface.
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Fruit Flower Look
Minimal to non-existent; ornamental foliage is the primary feature.
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Fruit Flower Rules
Do not include flowers on a starter plant as they are rare and typically not present at this stage.
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Growth Habit Rules
Maintain an upright clumping form; avoid sprawling or vine-like growth representations.
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Mature Plant Look
A lush, dense cluster of tall, upright, patterned lance-shaped leaves.
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Mature Stage Morphology
Mature clumps with multiple stems and elongated leaves featuring alternating dark green patterns and purple undersides.
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Morphology Rules
Ensure the deep burgundy leaf undersides are represented correctly against the top-side patterning.
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Plant Faqs
How much light does a Rattlesnake Plant need? It prefers bright, indirect light to maintain its vibrant leaf patterns. Can I keep my Rattlesnake Plant in a container? Yes, it is an excellent choice for indoor containers with well-draining soil. How often should I water it? Keep the soil consistently moist, watering when the top inch of soil feels slightly dry.
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Root Look
Healthy white to light brown fibrous roots contained within a compact plug.
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Soil Look
Dark, moist, rich organic potting substrate.
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Starter Stage
Small, compact starter plug with a few developing leaves exhibiting initial patterning.
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Starter Stage Morphology
Young, lance-shaped leaves, firm root system, dark stem base.
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Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Rattlesnake Plant. This is Rattlesnake Plant, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let the Rattlesnake Plant become part of your aspirational plan, helping you imagine the future indoor tropical environment you want to create. The defining feature of this plant is its striking, lance-shaped foliage, which showcases a distinctive pattern of dark green blotches set against a lighter backdrop, perfectly accented by deep purple undersides. Establish your starter by repotting it into a four-inch pot with a quality, well-draining potting mix, then move it later to an appropriate final container when it has grown and established. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
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Youtube Tags
Calathea Rattlesnake Plant houseplant tropical foliage indoor gardening Agardeni starter plant Calathea insignis ornamental foliage
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Youtube Video Summary
Explore the unique beauty of the Calathea insignis Rattlesnake, a popular choice for indoor plant collections. Learn about its striking patterned foliage and how to provide the ideal environment for success.
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Youtube Video Title
Growing Calathea insignis Rattlesnake Plant
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Future Buyer Brand Sellers
Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.