Eternal Flame Plant (Eternal Flame Calathea) care

Light

Eternal Flame Plant is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Bright, indirect light from an east-, west-, or north-facing window. Direct sun scorches and fades the leaves; too little light dulls foliage colour and discourages flowering. Filtered light behind a sheer curtain is ideal. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water eternal flame plant roughly weekly in spring and summer; every 10-14 days in winter. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Keep the mix evenly moist but never waterlogged. Water when the top 2-3 cm (top inch) feels dry. Sensitive to fluoride and chlorine, so use distilled, filtered, or rainwater, or tap water left out overnight. Empty the saucer to avoid root rot.

Soil and pot

Eternal Flame Plant grows best in light, well-draining, peat-based aroid/houseplant mix. Use a moisture-retentive yet airy mix, e.g. houseplant compost or peat-based potting soil loosened with around 20% perlite or vermiculite plus 10% orchid bark. Good drainage and aeration prevent the soggy conditions that cause root rot. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Eternal Flame Plant sits happiest at around Above 50%, ideally 60%+ humidity and 18-27 C (65-80 F). A genuine high-humidity lover. Below ~50% the leaf edges turn brown and crispy. Group plants, stand the pot on a pebble-and-water tray, or run a humidifier. A bright bathroom or kitchen suits it; cold misting is a weak, short-lived fix and can encourage leaf spot. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed eternal flame plant sparingly. Feed monthly through spring and summer with a balanced water-soluble houseplant fertiliser at half strength. Stop feeding in autumn and winter. Over-feeding causes salt build-up and brown leaf tips, so flush the soil occasionally with plain filtered water. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on eternal flame plant in the Growli community. Each is annotated with the most common cause so you know where to start.

• Brown, crispy leaf tips and edges — Usually low humidity combined with fluoride or chlorine in tap water. Raise humidity above 50% and switch to filtered, distilled, or rainwater.
• Curling, fading, or limp leaves — Typically underwatering, dry air, or too much direct sun. Keep the soil evenly moist, increase humidity, and move it out of harsh light.
• Spider mites — Tiny pests with fine webbing that thrive in dry conditions. Rinse the foliage, raise humidity, and treat with insecticidal soap or neem; consistent watering is the best prevention.
• Mealybugs — White cottony masses on stems and leaf joints. Dab with isopropyl alcohol on a cotton swab and follow up with insecticidal soap or neem oil.
• Leaf spot (Pseudomonas / Alternaria) — Dark water-soaked or ringed brown spots, encouraged by water sitting on leaves. Water at the base, improve airflow, and remove affected leaves.
• Reluctance to rebloom — Flowering is triggered by short days. To encourage a second bloom, give it about 10 hours of light and 14 hours of complete darkness daily for 8+ weeks.

Propagation

Propagate by division in early spring or early summer at the start of the growing season. Unpot the plant and gently separate the clump into sections, each with healthy roots and several leaves, then pot each up individually. Keep divisions warm, humid, and evenly moist while they establish. It does not propagate from leaf or stem cuttings. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Eternal Flame Plant is pet-safe. Pet-safe. Goeppertia crocata is not individually named by the ASPCA, but the ASPCA lists the genus as "Calathea (Calathea spp.)", family Marantaceae, as non-toxic to dogs, cats, and horses, with no toxic Calathea species on its database. As always, verify with your vet if a pet ingests a large amount. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Eternal Flame Plant deep-dive guides

Every aspect of eternal flame plant care, each with its own calibrated guide:

• Eternal Flame Plant watering schedule
• Eternal Flame Plant light requirements
• Best soil mix for eternal flame plant
• Eternal Flame Plant fertilizing guide
• When to repot eternal flame plant
• How to propagate eternal flame plant
• Eternal Flame Plant growth rate & size
• Eternal Flame Plant cold hardiness
• Eternal Flame Plant temperature & humidity
• Is eternal flame plant toxic to cats & dogs?
• Getting eternal flame plant to bloom

Related guides

Eternal Flame Plant is also known as Eternal Flame Plant, Eternal Flame Calathea, Saffron-coloured Calathea, Calathea crocata, and Tassmania.

• Types of calathea — varieties identified, with care and pet-safety
• Peace lily care — light, water and common problems
• Bird of paradise care — light, water and common problems
• Hoya care — light, water and common problems
• All 609 plant care guides in the Growli library