Calathea insignis ‘Rattlesnake Plant’ is a striking tropical indoor plant loved for its long, wavy green leaves patterned with deep purple markings underneath. Famous for its dramatic foliage and gentle daily leaf movement, it’s a true statement plant for bright, humidity-rich indoor spaces.
Details
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Height: Up to 60–90cm indoors
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Width: Up to 40–60cm wide
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Growth Habit: Upright, bushy clumping plant
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Growth Rate: Moderate
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Humidity: Prefers high humidity
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Pet Friendly: Yes — non-toxic and safe for pets
Care
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Water: Keep soil consistently lightly moist. Water when the top 2–3cm of soil feels dry. Avoid both drying out completely and waterlogging.
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Light: Medium to bright indirect light. Avoid direct sun, which can fade and scorch the leaves.
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Fertilise: Every 4 weeks during spring and summer with a gentle, balanced liquid fertiliser.
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Soil Type: Free-draining indoor potting mix with added coco coir and perlite to retain moisture without becoming soggy.
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Maintenance: Medium to high — sensitive to dry air, cold drafts and inconsistent watering.
Common names
- Rattlesnake Plant
- Rattlesnake Calathea
- Prayer Plant (Group)
- Calathea insignis
- Goeppertia insignis
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Family: Marantaceae
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Genus: Calathea