Plant care
White Stonecrop (Coral Carpet) care
Sedum album
Also called Coral Carpet.
Watering rhythm
10-14days
When soil is dry, roughly every 10-14 days in summer; little to none in winter
Light
Direct sun (at least 4-6 hours)
Soil
Lean, gritty, sharply drained soil
Humidity
30-50%
Temp
-30 to 30°C
Pet safety
Pet-safe
Mature size
5-15 cm tall (taller in flower)
Care at a glance
Light
Aim for at least 4-6 hours of direct sun on the leaves. Full sun for compact growth and the strongest red-coral flush; at least 6 hours. Light shade is tolerated but the mat loosens and stays green. If your only bright window faces south, that's perfect for white stonecrop — same window any aroid would fry on.
Watering
Watering white stonecrop: when soil is dry, roughly every 10-14 days in summer; little to none in winter. 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. Extremely drought-tolerant. Soak and let dry fully. Established outdoor plants rarely need watering; constant moisture rots the shallow roots.
Soil and pot
White Stonecrop grows best in lean, gritty, sharply drained soil. Excels in thin, rocky, sandy substrates, gravel and green-roof media. Standard succulent mix with extra grit indoors; rich or wet soil causes rot. 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
White Stonecrop sits happiest at around 30-50% humidity and -30 to 30°C (-22 to 86°F). Prefers dry air with good airflow. Tolerant of most ambient humidity; humid, stagnant conditions over wet soil invite fungal problems. 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 white stonecrop sparingly. Essentially none. Thrives on poor soil and resents feeding, which makes growth lax. Skip fertiliser or give one very dilute spring dose at most. 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 white stonecrop in the Growli community. Each is annotated with the most common cause so you know where to start.
- Loose, green growth — Too little sun. Move to full sun to keep the mat dense and to bring out the coral-red leaf colour.
- Rot in wet sites — Heavy or waterlogged soil. Plant in sharp drainage, raise beds or add grit; reduce watering sharply.
- Spreading beyond bounds — Very vigorous and self-seeding. Pull stray mats and deadhead if you want to limit its spread.
- Sparse, woody centre — Old colonies thin out. Shear back and replant rooted fragments to regenerate.
Propagation
Effortless. Scatter stem fragments or rooted pieces on gritty soil, divide established mats, or let it self-seed. Roots almost anywhere; best spring to early autumn. 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
White Stonecrop is pet-safe. ASPCA-listed as non-toxic to cats and dogs. Sedum is recognised by the ASPCA as a pet-safe genus; at worst, chewing may cause mild, short-lived 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).
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.
White Stonecrop care — frequently asked questions
What is the common name for Sedum album?
Sedum album is most commonly called White Stonecrop, but it is also known as Coral Carpet. The names refer to the same species, so care instructions for White Stonecrop apply identically to anything sold as Coral Carpet.
How much light does white stonecrop need?
White Stonecrop grows best in direct sun (at least 4-6 hours). Full sun for compact growth and the strongest red-coral flush; at least 6 hours. Light shade is tolerated but the mat loosens and stays green.
How often should I water white stonecrop?
Water white stonecrop when soil is dry, roughly every 10-14 days in summer; little to none in winter. Extremely drought-tolerant. Soak and let dry fully. Established outdoor plants rarely need watering; constant moisture rots the shallow roots. 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 white stonecrop toxic to cats and dogs?
White Stonecrop is pet-safe. ASPCA-listed as non-toxic to cats and dogs. Sedum is recognised by the ASPCA as a pet-safe genus; at worst, chewing may cause mild, short-lived stomach upset.
What USDA hardiness zone does white stonecrop grow in?
White Stonecrop is rated for USDA zone 3-8 (hardy outdoor groundcover) and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
White Stonecrop deep-dive guides
Every aspect of white stonecrop care, each with its own calibrated guide:
- White Stonecrop watering schedule
- White Stonecrop light requirements
- Best soil mix for white stonecrop
- White Stonecrop fertilizing guide
- When to repot white stonecrop
- How to propagate white stonecrop
- White Stonecrop growth rate & size
- White Stonecrop cold hardiness
- White Stonecrop temperature & humidity
- Is white stonecrop toxic to cats & dogs?
- Is white stonecrop toxic to cats?
- Is white stonecrop toxic to dogs?
- Getting white stonecrop to bloom
Featured in these plant shortlists
White Stonecrop 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 houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
- Best pet-safe flowering plants — Flowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
- Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
- 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.
- Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
- Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
White Stonecrop is also commonly called Coral Carpet.