Alpine Rock Jasmine (Alpine Androsace) care

Light

Most houseplants will scorch where alpine rock jasmine thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Requires full sun — at least six hours of direct light daily; replicating the intense high-alpine light exposure keeps rosettes tight and healthy. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for low — allow the top inch of soil to dry between waterings for alpine rock jasmine, 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. Water carefully at soil level and never overhead; overwatering is the primary cause of root rot; reduce to near-zero watering in winter to mimic the dry alpine winter dormancy period.

Soil and pot

Alpine Rock Jasmine grows best in very gritty, acidic, well-drained scree mix. Use a lean mix with a pH of 6.0–7.0; incorporate coarse grit or granite chips at 60–70% by volume to ensure rapid drainage and prevent water retention around the collar. 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

Alpine Rock Jasmine sits happiest at around Low to moderate (30–50% RH) humidity and -25 to 18°C (-13 to 64°F). Adapted to crisp, dry alpine air; avoid humid, still conditions which promote Botrytis; good air movement around the cushion is important especially when grown under glass. If you keep the room above 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 alpine rock jasmine sparingly. Light feeding only — a dilute balanced fertiliser applied once in early spring is sufficient; excess nitrogen weakens the cushion structure and increases disease susceptibility. 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 alpine rock jasmine in the Growli community. Each is annotated with the most common cause so you know where to start.

• Root rot from overwatering — The most frequent cultivation failure; wet soil, especially in cool weather, rapidly causes Pythium root rot — always use a sharply drained medium and water sparingly.
• Slugs damaging young rosettes — Slugs and snails find the soft growing tips attractive; a top-dressing of horticultural grit around the mat and slug-control measures (e.g. nematodes, copper tape on troughs) are effective.

Propagation

Sow fresh seed in autumn in gritty compost in an unheated cold frame; cold stratification over winter improves germination in spring. Stem cuttings taken in early summer from individual rosettes can be rooted in a warm, well-ventilated position. 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

Alpine Rock Jasmine is mildly toxic to pets. Androsace alpina does not appear by name on the ASPCA Toxic or Non-Toxic Plant database. Horticultural sources note no known toxic principles, but in the absence of direct ASPCA listing the species is classified as mildly-toxic as a precaution. 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.

Alpine Rock Jasmine deep-dive guides

Every aspect of alpine rock jasmine care, each with its own calibrated guide:

• Common alpine rock jasmine problems & fixes
• Alpine Rock Jasmine watering schedule
• Alpine Rock Jasmine light requirements
• Best soil mix for alpine rock jasmine
• Alpine Rock Jasmine fertilizing guide
• When to repot alpine rock jasmine
• How to propagate alpine rock jasmine
• How to prune alpine rock jasmine
• What's eating my alpine rock jasmine?
• Alpine Rock Jasmine growth rate & size
• Alpine Rock Jasmine cold hardiness
• Alpine Rock Jasmine temperature & humidity
• Is alpine rock jasmine toxic to cats & dogs?
• Is alpine rock jasmine toxic to cats?
• Is alpine rock jasmine toxic to dogs?
• All 13 Androsace varieties
• Getting alpine rock jasmine to bloom

Featured in these plant shortlists

Alpine Rock Jasmine qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• Best small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Alpine Rock Jasmine is also known as Alpine Rock Jasmine, Alpine Androsace, and Alpine Rock-Jasmine.

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