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Philodendron Autoclaw (Autoclaw) care

Philodendron 'Autoclaw'

Also called Autoclaw, Autoclaw Philodendron.

RHS H1bUSDA 10-12Toxic to petsIndoor Generally stays compact at around 30-60 cm tall and wide indoors.

Watering rhythm

7days

When the top 2-3 cm of soil is dry, roughly every 7 days

Light

Bright indirect light (just back from a sunny window)

Soil

Well-draining aroid mix

Humidity

50-70%

Temp

18-27°C

Pet safety

Toxic to pets

Mature size

Generally stays compact at around 30-60 cm tall and wide indoors.

Care at a glance

Light

Philodendron Autoclaw 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 produces the most pronounced lobing and clawed leaf shape. In low light new leaves emerge smaller and less divided. Protect from direct sun, which can scorch the slender leaf segments. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water philodendron autoclaw when the top 2-3 cm of soil is dry, roughly every 7 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 let the surface dry before the next drink. As a compact aroid it dislikes both bone-dry and waterlogged soil; steady, moderate moisture in growth keeps the foliage turgid. Reduce frequency through the cooler, lower-light months.

Soil and pot

Philodendron Autoclaw grows best in well-draining aroid mix. A light blend of orchid bark, perlite and coco coir gives roots air and quick drainage. Avoid heavy, water-retentive potting soil, which encourages rot in this compact grower. A pot with good drainage is essential. 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

Philodendron Autoclaw sits happiest at around 50-70% humidity and 18-27°C (65-80°F). Moderate-to-high humidity supports clean, well-formed leaves. It copes with average household air but rewards 60% or more with fuller, more sharply divided foliage. A pebble tray or humidifier helps in dry, heated rooms. 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 philodendron autoclaw sparingly. Feed every 4-6 weeks during spring and summer with a balanced liquid houseplant fertiliser at half strength. Its compact size means modest feeding suffices. Pause in autumn and winter, and flush the pot occasionally to prevent salt accumulation around the roots. 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 philodendron autoclaw in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Less-lobed new leavesLow light flattens the sculptural shape. Move to brighter indirect light to restore deep lobing.
  • Root rotHeavy soil or overwatering suffocates roots. Use an airy aroid mix and let the topsoil dry between waterings.
  • Brown leaf tipsLow humidity or salt buildup. Raise ambient moisture and flush the soil periodically.
  • Yellowing leavesOften overwatering or poor drainage. Check the pot drains freely and adjust the watering schedule.

Propagation

Propagate by stem cuttings with at least one node or by dividing offsets from the self-heading clump. Root cuttings in water or moist airy mix, keeping them warm and humid until new roots establish, then pot up into a standard aroid mix. 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

Philodendron Autoclaw is toxic to pets. ASPCA lists Philodendron as toxic to cats and dogs. Like all Philodendron, it contains insoluble calcium oxalate crystals; ingestion causes oral irritation and burning, drooling, vomiting and difficulty swallowing. Keep away from pets and children. 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.

Philodendron Autoclaw care — frequently asked questions

What is the common name for Philodendron 'Autoclaw'?

Philodendron 'Autoclaw' is most commonly called Philodendron Autoclaw, but it is also known as Autoclaw, Autoclaw Philodendron. The names refer to the same species, so care instructions for Philodendron Autoclaw apply identically to anything sold as Autoclaw.

How much light does philodendron autoclaw need?

Philodendron Autoclaw grows best in bright indirect light (just back from a sunny window). Bright indirect light produces the most pronounced lobing and clawed leaf shape. In low light new leaves emerge smaller and less divided. Protect from direct sun, which can scorch the slender leaf segments.

How often should I water philodendron autoclaw?

Water philodendron autoclaw when the top 2-3 cm of soil is dry, roughly every 7 days. Water thoroughly, then let the surface dry before the next drink. As a compact aroid it dislikes both bone-dry and waterlogged soil; steady, moderate moisture in growth keeps the foliage turgid. Reduce frequency through the cooler, lower-light months. 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 philodendron autoclaw toxic to cats and dogs?

Philodendron Autoclaw is toxic to pets. ASPCA lists Philodendron as toxic to cats and dogs. Like all Philodendron, it contains insoluble calcium oxalate crystals; ingestion causes oral irritation and burning, drooling, vomiting and difficulty swallowing. Keep away from pets and children.

What USDA hardiness zone does philodendron autoclaw grow in?

Philodendron Autoclaw 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.

Philodendron Autoclaw deep-dive guides

Every aspect of philodendron autoclaw care, each with its own calibrated guide:

Featured in these plant shortlists

Philodendron Autoclaw 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

Philodendron Autoclaw is also commonly called Autoclaw or Autoclaw Philodendron.