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Pachyphytum glutinicaule (Sticky pachyphytum) care

Pachyphytum glutinicaule

Also called Sticky pachyphytum.

RHS H2USDA 9-11Pet-safeIndoor Around 10-15 cm tall

Watering rhythm

10-14days

When the soil is fully dry, about every 10-14 days in summer, very sparingly in winter

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Light

Direct sun (at least 4-6 hours)

Soil

Very gritty, fast-draining succulent/cactus mix

Humidity

30-50%

Temp

18-27°C

Pet safety

Pet-safe

Mature size

Around 10-15 cm tall

Care at a glance

Light

Pachyphytum glutinicaule needs sun on the leaves, not just bright ambient room light. Wants full sun to very bright light, ideally 4-6 hours of direct sun. Strong light keeps the rosettes compact and brings out the pink-lilac pastel blush on the powdery leaves; low light causes stretching and pale colour. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water pachyphytum glutinicaule when the soil is fully dry, about every 10-14 days in summer, very sparingly 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, let the pot drain, then allow the mix to dry out completely. The fat leaves hold large water reserves and rot quickly if overwatered, so keep it dry, especially in cool, dark months. Avoid touching the leaves, which removes the protective farina.

Soil and pot

Pachyphytum glutinicaule grows best in very gritty, fast-draining succulent/cactus mix. Use a cactus mix cut with one-third to one-half pumice, perlite, or coarse sand. An unglazed pot with a drainage hole helps the roots dry quickly and prevents 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

Pachyphytum glutinicaule sits happiest at around 30-50% humidity and 18-27°C (65-80°F). Prefers dry to average household humidity. Humid, still air promotes rot and spoils the chalky leaf coating, so good ventilation matters far more than added moisture. 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 pachyphytum glutinicaule sparingly. Feed once a month in spring and summer with a half-strength balanced succulent fertiliser. Do not feed in autumn or winter during the rest period. 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 pachyphytum glutinicaule in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Etiolation (stretching) — Rosettes opening up on a lengthening stem indicate too little light. Move to direct sun; behead and re-root the rosette if it grows leggy.
  • Overwatering rot — Soft, translucent, yellowing leaves and a mushy stem base mean too much water. Let the soil dry fully between waterings and use a sharply draining gritty mix.
  • Loss of farina — The chalky bloom rubs off permanently where leaves are handled, leaving green marks. Move the plant by the pot and avoid touching the foliage.
  • Mealybugs — Cottony white pests can blend in among the powdery leaves. Inspect carefully and spot-treat with a 70% isopropyl-alcohol swab.

Propagation

Propagate from whole leaves or stem cuttings. Remove a plump leaf or behead a rosette, let the cut callus for several days, then set on barely moist gritty mix in bright light until roots and a new rosette form. 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

Pachyphytum glutinicaule is pet-safe. The ASPCA lists this succulent group as non-toxic to cats and dogs, and Pachyphytum carries no toxic principle. Eating any plant can still cause mild, transient stomach 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 in the US, or Animal PoisonLine on 01202 509 000 in the UK).

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.

Pachyphytum glutinicaule care — frequently asked questions

What is the common name for Pachyphytum glutinicaule?

Pachyphytum glutinicaule is most commonly called Pachyphytum glutinicaule, but it is also known as Sticky pachyphytum. The names refer to the same species, so care instructions for Pachyphytum glutinicaule apply identically to anything sold as Sticky pachyphytum.

How much light does pachyphytum glutinicaule need?

Pachyphytum glutinicaule grows best in direct sun (at least 4-6 hours). Wants full sun to very bright light, ideally 4-6 hours of direct sun. Strong light keeps the rosettes compact and brings out the pink-lilac pastel blush on the powdery leaves; low light causes stretching and pale colour.

How often should I water pachyphytum glutinicaule?

Water pachyphytum glutinicaule when the soil is fully dry, about every 10-14 days in summer, very sparingly in winter. Water deeply, let the pot drain, then allow the mix to dry out completely. The fat leaves hold large water reserves and rot quickly if overwatered, so keep it dry, especially in cool, dark months. Avoid touching the leaves, which removes the protective farina. 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 pachyphytum glutinicaule toxic to cats and dogs?

Pachyphytum glutinicaule is pet-safe. The ASPCA lists this succulent group as non-toxic to cats and dogs, and Pachyphytum carries no toxic principle. Eating any plant can still cause mild, transient stomach upset.

What USDA hardiness zone does pachyphytum glutinicaule grow in?

Pachyphytum glutinicaule is rated for USDA zone 9-11 (indoor in most US homes) and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Pachyphytum glutinicaule deep-dive guides

Every aspect of pachyphytum glutinicaule care, each with its own calibrated guide:

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Pachyphytum glutinicaule is also commonly called Sticky pachyphytum.