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Plant care

Houttuynia cordata 'Chameleon' (Chameleon Houttuynia) care

Houttuynia cordata 'Chameleon'

Also called Chameleon Houttuynia, Tricolor Chameleon Plant.

RHS H5USDA 5-11Mildly toxic to petsIndoor Around 15-30 cm tall with indefinite spread unless physically contained.

Watering rhythm

Direct sun (at least 4-6 hours)

Keep soil constantly wet to waterlogged; never allow it to dry

Light

Direct sun (at least 4-6 hours)

Soil

Fertile, moisture-retentive loam or aquatic compost

Humidity

60-100%

Temp

15-26°C

Pet safety

Mildly toxic to pets

Mature size

Around 15-30 cm tall with indefinite spread unless physically contained.

Care at a glance

Light

Most houseplants will scorch where houttuynia cordata 'chameleon' thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun to part shade. Strong sun develops the brightest red and yellow variegation; in shade the leaves revert toward plain green and become leggy. Aim for at least 4-6 hours of direct light for the best colour. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for keep soil constantly wet to waterlogged; never allow it to dry for houttuynia cordata 'chameleon', but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Demands permanently saturated soil or a few centimetres of standing water over the crown. Stand containers in a water saucer or set at the pond margin. Drought causes rapid wilting, scorched margins and loss of variegation.

Soil and pot

Houttuynia cordata 'Chameleon' grows best in fertile, moisture-retentive loam or aquatic compost. Thrives in rich boggy clay loam, permanently moist garden soil, or aquatic/pond compost capped with grit. Tolerant of a broad pH range and partial submersion; sharp drainage is unnecessary and counterproductive. 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

Houttuynia cordata 'Chameleon' sits happiest at around 60-100% humidity and 15-26°C (59-79°F). An outdoor bog and pond-margin plant that enjoys the saturated air near water. Humidity is rarely limiting provided roots stay wet; if grown under glass, keep it sitting in water rather than relying on misting. If you keep the room above 15 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 houttuynia cordata 'chameleon' sparingly. Rarely needs feeding in fertile bog soil. On poor substrates, insert a slow-release aquatic plant tablet once in spring. Avoid heavy nitrogen feeds, which encourage greener leaves, lankier stems and even more aggressive spreading. 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 houttuynia cordata 'chameleon' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Invasive rhizomesSpreads aggressively underground and resists removal; even small root fragments regrow. Confine it to a sunken bottomless pot or sealed bed and keep it away from open water and drains.
  • Loss of variegationIn too little light the leaves turn plain green and the plant grows leggy. Move it into stronger sun, keeping the soil constantly wet, to bring back the cream, yellow and red tones.
  • Leaf scorch from droughtDry roots in full sun cause crisped margins and collapse. Maintain permanent moisture and stand pots in a water tray during hot, dry weather.
  • Reversion to green shootsOccasional all-green, more vigorous stems can appear and outcompete the variegated growth. Cut these out at the base as soon as they show to keep the colourful form dominant.

Propagation

Divide the rhizome in spring or early autumn, or detach and replant rooted runners. Rhizome and stem cuttings root quickly in wet soil; propagate vegetatively only, as the cultivar will not come true from seed. 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

Houttuynia cordata 'Chameleon' is mildly toxic to pets. As a cultivar of Houttuynia cordata, it is not individually listed in the ASPCA toxic/non-toxic database, so its pet status is not formally established; treat with caution and verify with a vet. Houttuynia contains aristolactams (analogues of nephrotoxic aristolochic acid), so it should not be assumed pet-safe and pets should be kept from grazing on it. 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.

Houttuynia cordata 'Chameleon' care — frequently asked questions

What is the common name for Houttuynia cordata 'Chameleon'?

Houttuynia cordata 'Chameleon' is most commonly called Houttuynia cordata 'Chameleon', but it is also known as Chameleon Houttuynia, Tricolor Chameleon Plant. The names refer to the same species, so care instructions for Houttuynia cordata 'Chameleon' apply identically to anything sold as Chameleon Houttuynia.

How much light does houttuynia cordata 'chameleon' need?

Houttuynia cordata 'Chameleon' grows best in direct sun (at least 4-6 hours). Full sun to part shade. Strong sun develops the brightest red and yellow variegation; in shade the leaves revert toward plain green and become leggy. Aim for at least 4-6 hours of direct light for the best colour.

How often should I water houttuynia cordata 'chameleon'?

Water houttuynia cordata 'chameleon' keep soil constantly wet to waterlogged; never allow it to dry. Demands permanently saturated soil or a few centimetres of standing water over the crown. Stand containers in a water saucer or set at the pond margin. Drought causes rapid wilting, scorched margins and loss of variegation. 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 houttuynia cordata 'chameleon' toxic to cats and dogs?

Houttuynia cordata 'Chameleon' is mildly toxic to pets. As a cultivar of Houttuynia cordata, it is not individually listed in the ASPCA toxic/non-toxic database, so its pet status is not formally established; treat with caution and verify with a vet. Houttuynia contains aristolactams (analogues of nephrotoxic aristolochic acid), so it should not be assumed pet-safe and pets should be kept from grazing on it.

What USDA hardiness zone does houttuynia cordata 'chameleon' grow in?

Houttuynia cordata 'Chameleon' is rated for USDA zone 5-11 (root-hardy, herbaceous, dies back in winter) and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Houttuynia cordata 'Chameleon' deep-dive guides

Every aspect of houttuynia cordata 'chameleon' care, each with its own calibrated guide:

Featured in these plant shortlists

Houttuynia cordata 'Chameleon' qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Houttuynia cordata 'Chameleon' is also commonly called Chameleon Houttuynia or Tricolor Chameleon Plant.