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Plant care

Aglaonema 'Creta' (Creta Chinese Evergreen) care

Aglaonema 'Creta'

Also called Creta Chinese Evergreen, Red Aglaonema Creta.

RHS H1bUSDA 10-12Toxic to petsIndoor Around 45-60 cm tall and wide indoors.

Watering rhythm

7-10days

When the top 3-4 cm of soil is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Loose, well-draining peat- or coir-based potting mix

Humidity

50-60%

Temp

18-27°C

Pet safety

Toxic to pets

Mature size

Around 45-60 cm tall and wide indoors.

Care at a glance

Light

Aglaonema 'Creta' 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 is needed to hold the strong red and pink colouring; in dim light the red fades and growth thins. Keep out of direct sun, which scorches the leaf margins. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water aglaonema 'creta' when the top 3-4 cm of soil is dry, roughly every 7-10 days. 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. Water thoroughly, then allow the upper third to dry out. The fleshy stems store water, so it tolerates a missed watering better than overwatering. Reduce frequency in winter.

Soil and pot

Aglaonema 'Creta' grows best in loose, well-draining peat- or coir-based potting mix. Use an airy mix of peat or coir, perlite and bark at pH 5.6-6.5. Drainage holes are essential; the thick stems rot quickly in waterlogged soil. 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

Aglaonema 'Creta' sits happiest at around 50-60% humidity and 18-27°C (65-80°F). Likes moderate humidity above 50% for best leaf quality but tolerates average rooms. Dry winter air causes crisp brown edges, so a humidity tray or grouping 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 aglaonema 'creta' sparingly. Feed monthly during spring and summer with a balanced half-strength liquid fertiliser to support the vivid colour. Suspend feeding in autumn and winter. Avoid overfeeding, which scorches the brightly coloured leaf edges. 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 aglaonema 'creta' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Red colour fading to greenInsufficient light is the usual cause. Move to bright indirect light to restore the red and pink tones.
  • Brown crispy edgesFrom dry air, fluoride or fertiliser salts. Raise humidity, use filtered water and flush the pot occasionally.
  • Soft, rotting stemsOverwatering or cold, soggy soil. Let the top third dry between waterings and ensure good drainage.
  • Cold-spottingTemperatures below 15°C cause dark blotches and leaf drop; keep it warm and away from draughts.

Propagation

Divide the clump when repotting or root stem cuttings bearing several nodes in water or a moist, airy mix. Warmth in spring and summer gives the most reliable rooting. 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

Aglaonema 'Creta' is toxic to pets. Aglaonema (Chinese Evergreen) is listed by the ASPCA as toxic to cats and dogs. It contains insoluble calcium oxalate crystals that cause oral irritation, intense burning of the mouth and lips, drooling, vomiting and difficulty swallowing if chewed. Keep away from pets. 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.

Aglaonema 'Creta' care — frequently asked questions

What is the common name for Aglaonema 'Creta'?

Aglaonema 'Creta' is most commonly called Aglaonema 'Creta', but it is also known as Creta Chinese Evergreen, Red Aglaonema Creta. The names refer to the same species, so care instructions for Aglaonema 'Creta' apply identically to anything sold as Creta Chinese Evergreen.

How much light does aglaonema 'creta' need?

Aglaonema 'Creta' grows best in bright indirect light (just back from a sunny window). Bright, indirect light is needed to hold the strong red and pink colouring; in dim light the red fades and growth thins. Keep out of direct sun, which scorches the leaf margins.

How often should I water aglaonema 'creta'?

Water aglaonema 'creta' when the top 3-4 cm of soil is dry, roughly every 7-10 days. Water thoroughly, then allow the upper third to dry out. The fleshy stems store water, so it tolerates a missed watering better than overwatering. Reduce frequency 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 aglaonema 'creta' toxic to cats and dogs?

Aglaonema 'Creta' is toxic to pets. Aglaonema (Chinese Evergreen) is listed by the ASPCA as toxic to cats and dogs. It contains insoluble calcium oxalate crystals that cause oral irritation, intense burning of the mouth and lips, drooling, vomiting and difficulty swallowing if chewed. Keep away from pets.

What USDA hardiness zone does aglaonema 'creta' grow in?

Aglaonema 'Creta' is rated for USDA zone 10-12 (indoor 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.

Aglaonema 'Creta' deep-dive guides

Every aspect of aglaonema 'creta' care, each with its own calibrated guide:

Featured in these plant shortlists

Aglaonema 'Creta' qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Aglaonema 'Creta' is also commonly called Creta Chinese Evergreen or Red Aglaonema Creta.