How to Grow Eternal Flame
Eternal Flame
Calathea crocata 'Eternal Flame'
flowerEternal Flame is a striking tropical houseplant in the Calathea genus, renowned for its vibrant orange-yellow flower spikes that resemble tiny flames rising above deep green, textured foliage. It is a cultivar of Calathea crocata, prized for both its ornamental foliage and long-lasting, eye-catching blooms that persist for weeks. This plant thrives in humid indoor environments and requires careful attention to watering and light conditions.
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Example Eternal Flame timeline · Pittsburgh, PA (Zone 6b)
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Plant Eternal Flame
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Eternal Flame blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Eternal Flame dates for your own zip code.
Growing Conditions
Soil
Growth Stages
Establishment
2-4 weeksYoung plant acclimates to new environment; foliage unfolds gradually with deep green color and visible leaf texture
Maintain consistent warmth (65-75°F), humidity, and moisture. Avoid moving plant frequently. Mist foliage every 2-3 days
Vegetative Growth
4-8 weeksPlant develops multiple leaf shoots; foliage becomes fuller and darker. New leaves emerge with intricate venation patterns
Maintain bright indirect light and consistent humidity. Feed every 2-3 weeks with diluted balanced fertilizer. Remove any brown leaf edges immediately
Bud Formation
2-3 weeksFlower buds emerge from leaf axils as small orange points before elongating into spikes
Continue humidity at 65%+ and bright indirect light. Do not move plant as buds are fragile. Maintain steady moisture and warm temperatures (70-75°F)
Flowering
4-8 weeksBrilliant orange-yellow flower spikes extend upward, resembling flames. Flowers open progressively along the spike for continuous bloom
Maintain all previous conditions. Increase humidity if possible. Do not spray water directly on flowers. Blooms last 4-8 weeks
Post-Flowering & Rest
4-6 weeksFlowers fade and drop; plant redirects energy to foliage growth. Foliage may appear slightly stressed after heavy blooming
Reduce fertilizer frequency slightly. Maintain humidity and indirect light. Prune spent flower spikes at base. Allow brief rest period with cooler temps (60-65°F) to encourage reblooming
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity to 70%+; mist foliage regularly; wash leaves with neem oil spray every 5-7 days; isolate affected plant
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Remove with alcohol-soaked cotton swab; apply insecticidal soap; spray neem oil; improve air circulation
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Scrape off manually; treat with horticultural oil; apply neem oil weekly until resolved
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Ensure well-draining soil; repot in fresh mix if roots are mushy; reduce watering frequency; improve air circulation around pot
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Remove affected leaves; avoid wetting foliage; improve air circulation; apply fungicide if severe; isolate plant
Uses
Not edible
CulinaryCalathea crocata is not consumed. No culinary uses. [source]
Indoor air purification
HouseholdLike many tropical plants, Calathea contributes to indoor air quality by absorbing carbon dioxide and releasing oxygen. It helps maintain humidity in indoor spaces through transpiration. [source]
Ornamental houseplant and floral display
CraftEternal Flame is prized for interior decoration due to its striking orange-yellow flower spikes and attractive deep green foliage. The long-lasting blooms make it an excellent living centerpiece for homes and offices. [source]
Pollinator nectar source (indoors)
WildlifeWhen grown indoors, the flowers attract small insects and provide nectar; outdoor cultivation in warm climates supports hummingbirds and bees. [source]
Traditional ethnobotanical uses
MedicinalIn tropical regions, some Calathea species have been used in traditional medicine, though Calathea crocata specifically is primarily grown ornamentally. Modern scientific evidence for medicinal efficacy is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This houseplant is grown for ornamental foliage and flowers rather than harvest. Cut flower spikes at the base when they begin to fade to encourage new blooms and maintain plant aesthetics. Remove any yellowed or browning leaves promptly to redirect energy to healthy foliage and flowering
Fun Facts
- 🌱 Calathea crocata's name comes from the Spanish word 'crocata' meaning 'saffron' or 'golden,' referring to the distinctive flame-like orange flower spikes
- 🌱 The plant exhibits nyctinastic behavior—its leaves fold up at night and unfold during the day, a movement audible in silent rooms and caused by changes in cell turgor pressure
- 🌱 Eternal Flame is native to tropical rainforest understories of South America, where it evolved to thrive in high humidity and dappled light, making it sensitive to dry household air
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