Growli

Plant care

Hairy-leaf Tylecodon (Hairy-leaved Tylecodon) care

Tylecodon hirtifolius

Also called Hairy-leaf Tylecodon, Hairy-leaved Tylecodon.

RHS H2USDA 9b-11Toxic to petsIndoor Up to 30 cm (12 in) tall and 40 cm (16 in) wide

Watering rhythm

10-14days

Every 10–14 days in the active (cool) season; minimal or none in summer

Light

Direct sun (at least 4-6 hours)

Soil

Sandy or rocky, sharply draining succulent mix

Humidity

20–40%

Temp

5–35°C

Pet safety

Toxic to pets

Mature size

Up to 30 cm (12 in) tall and 40 cm (16 in) wide

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Demands full sun exposure with at least 6 hours of direct sunlight daily. A south-facing windowsill, unheated greenhouse, or outdoor rock garden in frost-free climates suits it best. Poor light causes etiolation and increases rot risk. If your only bright window faces south, that's perfect for hairy-leaf tylecodon — same window any aroid would fry on.

Watering

Watering hairy-leaf tylecodon: every 10–14 days in the active (cool) season; minimal or none in summer. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Like most Tylecodons, T. hirtifolius grows in the cooler, wetter months. Water thoroughly in autumn and winter, letting the mix dry completely between applications. Taper off in spring and withhold almost all water in summer. The hairy leaves trap moisture, so avoid overhead watering.

Soil and pot

Hairy-leaf Tylecodon grows best in sandy or rocky, sharply draining succulent mix. Combine 50% coarse horticultural grit or pumice with 50% cactus compost. The glandular hairs on the stems and leaves are also on the roots, making them sensitive to prolonged moisture. Terracotta pots are ideal. 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

Hairy-leaf Tylecodon sits happiest at around 20–40% humidity and 5–35°C (41–95°F). Originates from arid South African regions; prefers low humidity. The glandular leaf hairs are an adaptation to aridity and trap dust in high-humidity environments. Keep in a well-ventilated spot away from steamy rooms. If you keep the room above 5–35°C 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 hairy-leaf tylecodon sparingly. Apply a low-nitrogen, high-potassium succulent fertiliser once at the beginning of the growing season in autumn. Avoid feeding in summer. 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 hairy-leaf tylecodon in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root rot from summer wateringWatering during summer dormancy is the primary cause of death. The plant signals readiness to grow by pushing new leaves in autumn — only begin watering then.
  • Sticky glandular hairs trapping debrisThe glandular hairs naturally collect dust and airborne debris, which can harbour fungal spores. Gently blow clean with a soft brush or air duster; avoid wetting the leaves unnecessarily.
  • Mealybugs in leaf axilsMealybugs exploit the leaf bases during the growing season. Inspect monthly and treat with isopropyl alcohol applied by a cotton bud, or with a dilute systemic insecticide.

Propagation

Take 5–8 cm stem cuttings in early autumn. Allow cut ends to callus for a week in a warm, dry place before potting into barely damp gritty mix. Seed sown on fine grit at 18–22°C in autumn is viable but slow. 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

Hairy-leaf Tylecodon is toxic to pets. All Tylecodon species contain bufadienolide glycosides that are cardiotoxic and neurotoxic to mammals. Ingestion causes nausea, drooling, and in severe cases the paralytic syndrome known as krimpsiekte. Keep away from pets and children; wear gloves when handling. 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.

Hairy-leaf Tylecodon care — frequently asked questions

What is the common name for Tylecodon hirtifolius?

Tylecodon hirtifolius is most commonly called Hairy-leaf Tylecodon, but it is also known as Hairy-leaf Tylecodon, Hairy-leaved Tylecodon. The names refer to the same species, so care instructions for Hairy-leaf Tylecodon apply identically to anything sold as Hairy-leaved Tylecodon.

How much light does hairy-leaf tylecodon need?

Hairy-leaf Tylecodon grows best in direct sun (at least 4-6 hours). Demands full sun exposure with at least 6 hours of direct sunlight daily. A south-facing windowsill, unheated greenhouse, or outdoor rock garden in frost-free climates suits it best. Poor light causes etiolation and increases rot risk.

How often should I water hairy-leaf tylecodon?

Water hairy-leaf tylecodon every 10–14 days in the active (cool) season; minimal or none in summer. Like most Tylecodons, T. hirtifolius grows in the cooler, wetter months. Water thoroughly in autumn and winter, letting the mix dry completely between applications. Taper off in spring and withhold almost all water in summer. The hairy leaves trap moisture, so avoid overhead watering. 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 hairy-leaf tylecodon toxic to cats and dogs?

Hairy-leaf Tylecodon is toxic to pets. All Tylecodon species contain bufadienolide glycosides that are cardiotoxic and neurotoxic to mammals. Ingestion causes nausea, drooling, and in severe cases the paralytic syndrome known as krimpsiekte. Keep away from pets and children; wear gloves when handling.

What USDA hardiness zone does hairy-leaf tylecodon grow in?

Hairy-leaf Tylecodon is rated for USDA zone 9b-11 and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Hairy-leaf Tylecodon deep-dive guides

Every aspect of hairy-leaf tylecodon care, each with its own calibrated guide:

Featured in these plant shortlists

Hairy-leaf Tylecodon 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

Hairy-leaf Tylecodon is also commonly called Hairy-leaf Tylecodon or Hairy-leaved Tylecodon.