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Plant care

Cushion Aloe Haworthia (Window haworthia) care

Haworthia cymbiformis

Also called Window haworthia, Boat-leaved haworthia, Cushion aloe.

RHS H1cUSDA 9-11Pet-safeIndoor Each rosette reaches around 5-8 cm tall and 6-10 cm wide

Watering rhythm

7-12days

When soil is fully dry, about every 7-12 days in summer, much less in winter

Light

Bright indirect light (just back from a sunny window)

Soil

Free-draining gritty succulent mix

Humidity

30-50%

Temp

15-27°C

Pet safety

Pet-safe

Mature size

Each rosette reaches around 5-8 cm tall and 6-10 cm wide

Care at a glance

Light

Cushion Aloe Haworthia 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 keeps the rosettes tight and the leaf windows clear. It tolerates slightly lower light than other haworthias but will stretch and pale if too dim. Shield from intense direct sun, which scorches the soft leaves. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water cushion aloe haworthia when soil is fully dry, about every 7-12 days in summer, much less in winter. 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 deeply then let the mix dry out completely. These plump leaves store ample water, so err on the dry side. Cut watering sharply in winter to a small drink every few weeks to avoid rot in the soft, water-rich leaves.

Soil and pot

Cushion Aloe Haworthia grows best in free-draining gritty succulent mix. A cactus mix amended with 30-50% perlite, pumice or grit gives the fast drainage these soft-leaved haworthias need. Use a pot with drainage holes; sodden soil rapidly rots the fleshy roots and translucent leaves. 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

Cushion Aloe Haworthia sits happiest at around 30-50% humidity and 15-27°C (59-81°F). Ordinary indoor humidity suits it; it is adapted to dry conditions and tolerates low humidity. Avoid damp, still air, which encourages rot on the soft leaves. Airflow is more valuable than any extra moisture. 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 cushion aloe haworthia sparingly. Feed monthly through spring and summer with a balanced succulent fertiliser at half or quarter strength. No feeding in autumn and winter. This vigorous offsetter needs little; over-feeding produces soft, floppy growth prone to rot. 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 cushion aloe haworthia in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Overwatering rotThe soft, water-rich leaves rot quickly if kept wet. Translucent leaves turning mushy and brown signal it. Let soil dry fully and improve drainage.
  • Etiolation in low lightToo little light stretches the rosette, spaces out the leaves and fades their colour. Move to bright indirect light to keep the form compact.
  • SunburnDirect sun bleaches or browns the soft leaves. Provide bright but filtered light, especially through summer afternoons.
  • Limp, translucent leavesOften overwatering or rot, occasionally severe underwatering. Check root health; firm plump leaves with clear windows are the healthy state.

Propagation

Very easy by offsets: separate rooted pups from the clump and pot them in gritty mix. Leaf cuttings also root reasonably well for this soft-leaved species. Seed is possible but slower. 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

Cushion Aloe Haworthia is pet-safe. ASPCA-listed as non-toxic to cats and dogs (Haworthia appears on the ASPCA non-toxic list). No toxic principle; chewing large amounts of any plant can still cause mild gastrointestinal 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.

Cushion Aloe Haworthia care — frequently asked questions

What is the common name for Haworthia cymbiformis?

Haworthia cymbiformis is most commonly called Cushion Aloe Haworthia, but it is also known as Window haworthia, Boat-leaved haworthia, Cushion aloe. The names refer to the same species, so care instructions for Cushion Aloe Haworthia apply identically to anything sold as Window haworthia.

How much light does cushion aloe haworthia need?

Cushion Aloe Haworthia grows best in bright indirect light (just back from a sunny window). Bright, indirect light keeps the rosettes tight and the leaf windows clear. It tolerates slightly lower light than other haworthias but will stretch and pale if too dim. Shield from intense direct sun, which scorches the soft leaves.

How often should I water cushion aloe haworthia?

Water cushion aloe haworthia when soil is fully dry, about every 7-12 days in summer, much less in winter. Water deeply then let the mix dry out completely. These plump leaves store ample water, so err on the dry side. Cut watering sharply in winter to a small drink every few weeks to avoid rot in the soft, water-rich leaves. 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 cushion aloe haworthia toxic to cats and dogs?

Cushion Aloe Haworthia is pet-safe. ASPCA-listed as non-toxic to cats and dogs (Haworthia appears on the ASPCA non-toxic list). No toxic principle; chewing large amounts of any plant can still cause mild gastrointestinal upset.

What USDA hardiness zone does cushion aloe haworthia grow in?

Cushion Aloe Haworthia is rated for USDA zone 9-11 (indoor in most US homes) and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Cushion Aloe Haworthia deep-dive guides

Every aspect of cushion aloe haworthia care, each with its own calibrated guide:

Featured in these plant shortlists

Cushion Aloe Haworthia qualifies for 10 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 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 succulents for beginnersThe easiest succulents and cacti to keep alive — selected by documented growth habit, each with the light and watering it actually wants.
  • Best pet-safe succulentsSucculents the ASPCA lists as non-toxic to cats and dogs — low-water greenery that is also safe around a curious pet.
  • Best small & tabletop houseplantsCompact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
  • Best fast-growing houseplantsHouseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
  • 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

Cushion Aloe Haworthia is also known as Window haworthia, Boat-leaved haworthia, and Cushion aloe.