Calathea Concinna (Freddie calathea) care

Light

The Goldilocks zone. Not the south-facing windowsill (too hot, too direct), not the back of the room (too dim, growth stalls). Bright, indirect light keeps the herringbone pattern crisp and the growth full. It tolerates moderately lower light, but direct sun fades the bars and scorches the thin leaves. If you can't decide, a free phone lux-meter app aimed at the leaf at noon should read between 800 and 1,500 lux.

Watering

Watering calathea concinna: when the top 2-3 cm of soil is dry, roughly every 5-7 days. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Keep evenly, lightly moist; the thin leaves wilt quickly if it dries out, but it dislikes soggy roots. Use distilled water, rainwater, or filtered water to prevent edge browning.

Soil and pot

Calathea Concinna grows best in light, moisture-retentive, well-draining mix. Peat or coir with perlite and a little bark holds moisture while draining freely. A slightly acidic, airy medium suits its shallow, vigorous roots. 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

Calathea Concinna sits happiest at around 50-70% humidity and 18-27°C (65-80°F). Prefers above-average humidity; tolerates typical rooms better than fussier calatheas but browns at the tips in very dry air. A pebble tray or humidifier helps. 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 calathea concinna sparingly. Feed monthly through spring and summer with a balanced houseplant fertiliser at half strength. As a quick grower it appreciates regular feeding in season; flush occasionally to clear salts and stop in winter. 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 calathea concinna in the Growli community. Each is annotated with the most common cause so you know where to start.

• Crispy leaf tips and edges — Low humidity or tap-water minerals. Switch to distilled/rainwater and raise humidity.
• Sudden wilting — The thin leaves collapse fast when the soil dries; water promptly and keep the mix evenly moist.
• Leaf curling at night vs damage — Nightly folding is normal; persistent daytime curling signals dryness or cold. Check moisture and temperature.
• Spider mites — Dry air encourages mites under the leaves. Inspect regularly, rinse foliage, and treat with insecticidal soap.

Propagation

Propagate by division in spring at repotting — this vigorous clumper separates readily into rooted sections with their own crowns. Pot up into moist mix and keep warm and humid. 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

Calathea Concinna is pet-safe. ASPCA-listed as non-toxic to cats and dogs; Calathea/Goeppertia prayer plants (Marantaceae) carry no toxic principles. Non-toxic does not mean edible — large quantities of foliage may cause mild, temporary stomach upset. 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.

Calathea Concinna deep-dive guides

Every aspect of calathea concinna care, each with its own calibrated guide:

• Calathea Concinna watering schedule
• Calathea Concinna light requirements
• Best soil mix for calathea concinna
• Calathea Concinna fertilizing guide
• When to repot calathea concinna
• How to propagate calathea concinna
• Calathea Concinna growth rate & size
• Calathea Concinna cold hardiness
• Calathea Concinna temperature & humidity
• Is calathea concinna toxic to cats & dogs?
• Is calathea concinna toxic to cats?
• Is calathea concinna toxic to dogs?

Featured in these plant shortlists

Calathea Concinna qualifies for 12 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
• Best low-light houseplants — Houseplants that need no direct sun and cope with a north-facing room or a spot well back from a window.
• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best pet-safe low-light plants — Non-toxic to cats and dogs AND happy with no direct sun — the two hardest constraints to satisfy at once.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best bathroom plants — Humidity-loving houseplants that also cope with lower light — suited to the steamy, often-dim conditions of a typical bathroom.
• Best pet-safe large indoor plants — Big, floor-standing houseplants the ASPCA lists as non-toxic to cats and dogs — a statement plant that is safe around pets.
• Best pet-safe bathroom plants — Non-toxic to cats and dogs and happy in the humid, lower-light conditions of a bathroom — safe greenery for the smallest room.
• Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
• Best pet-safe bedroom plants — Non-toxic to cats and dogs and happy in lower light — calming greenery for a bedroom where a pet often sleeps too.
• Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
• Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Calathea Concinna is also commonly called Freddie calathea.

• Types of calathea — varieties identified, with care and pet-safety
• Snake plant care — light, water and common problems
• Dracaena care — light, water and common problems
• Peperomia care — light, water and common problems
• All 2464 plant care guides in the Growli library