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Plant care

Calathea Micans (shining calathea) care

Goeppertia micans

Also called shining calathea, micans calathea.

RHS H1bUSDA 11-12Pet-safeIndoor Usually only 20-35 cm tall and wide

Watering rhythm

4-6days

When the top 1-2 cm of soil is dry, roughly every 4-6 days in growth

Light

Bright indirect light (just back from a sunny window)

Soil

Light, moisture-retentive mix

Humidity

60-80%

Temp

18-27°C

Pet safety

Pet-safe

Mature size

Usually only 20-35 cm tall and wide

Care at a glance

Light

Bright but filtered. Calathea Micans burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Bright, indirect light keeps the small leaves glossy and well coloured. Avoid direct sun, which scorches the delicate foliage; very low light leaves it sparse and slow. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering calathea micans: when the top 1-2 cm of soil is dry, roughly every 4-6 days in growth. 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. This small species dries out faster, so keep it evenly moist without sogginess. Use rainwater, distilled or filtered water to prevent leaf-tip browning, and water a little less in winter.

Soil and pot

Calathea Micans grows best in light, moisture-retentive mix. A fine peat or coir mix with perlite holds moisture while staying airy, ideal for a small rootball. Keep it slightly acidic and well drained; a small pot with drainage avoids waterlogging. 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 Micans sits happiest at around 60-80% humidity and 18-27°C (65-80°F). Its small, thin leaves love high humidity and it excels in a terrarium or under a cloche. A humidifier or pebble tray works in the open room; keep it away from dry, heated air. 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 micans sparingly. Feed lightly every 4-6 weeks in spring and summer with a balanced fertiliser at quarter to half strength; this small plant needs little. Flush occasionally and stop feeding 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 micans in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Crispy leaf tips and edgesLow humidity or hard water affects these small leaves quickly. Raise humidity and use filtered or rainwater.
  • Drying out fastThe small rootball dehydrates quickly. Check moisture often and keep the mix evenly damp, especially in warm rooms.
  • Curling leavesA response to dry air or thirst. Increase humidity and confirm the soil has not gone too dry.
  • Fungus gnatsConstantly moist mix can attract gnats. Let the very surface dry between waterings and use sticky traps if needed.

Propagation

Propagate by division in spring: split the small clump so each section keeps roots and leaves, then pot into fresh moist mix and keep warm and humid. Its compact size makes a terrarium or covered tray ideal for re-establishing divisions. 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 Micans is pet-safe. ASPCA-listed as non-toxic to cats and dogs (genus Calathea, family Marantaceae). Safe around pets; eating a large quantity of leaves might cause minor, short-lived digestive upset but no true poisoning. 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 Micans care — frequently asked questions

What is the common name for Goeppertia micans?

Goeppertia micans is most commonly called Calathea Micans, but it is also known as shining calathea, micans calathea. The names refer to the same species, so care instructions for Calathea Micans apply identically to anything sold as shining calathea.

How much light does calathea micans need?

Calathea Micans grows best in bright indirect light (just back from a sunny window). Bright, indirect light keeps the small leaves glossy and well coloured. Avoid direct sun, which scorches the delicate foliage; very low light leaves it sparse and slow.

How often should I water calathea micans?

Water calathea micans when the top 1-2 cm of soil is dry, roughly every 4-6 days in growth. This small species dries out faster, so keep it evenly moist without sogginess. Use rainwater, distilled or filtered water to prevent leaf-tip browning, and water a little less in winter. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is calathea micans toxic to cats and dogs?

Calathea Micans is pet-safe. ASPCA-listed as non-toxic to cats and dogs (genus Calathea, family Marantaceae). Safe around pets; eating a large quantity of leaves might cause minor, short-lived digestive upset but no true poisoning.

What USDA hardiness zone does calathea micans grow in?

Calathea Micans is rated for USDA zone 11-12 (grown as a houseplant in most US homes) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Calathea Micans deep-dive guides

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

Featured in these plant shortlists

Calathea Micans qualifies for 8 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best plants for a north-facing windowHouseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
  • Best humidity-loving houseplantsHouseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
  • Best pet-safe plants for bright lightNon-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
  • Best small & tabletop houseplantsCompact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Best small pet-safe plantsCompact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
  • Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Calathea Micans is also commonly called shining calathea or micans calathea.