Christmas Cactus Care

Schlumbergera truncata · Cactaceae

🐾 Pet-safe 🎯 Easy ☀️ Bright indirect 💧 Every 10–14 days
🕮 7 min read 🕓 Last reviewed: 2026-08-23

Care at a glance

Watering
Every 10–14 days
Light
Bright indirect
Temperature
15–24 °C (59–75 °F)
Humidity
Average
Soil
chunky, airy mix (bark + perlite)
Difficulty
Easy
Mature size
20–40 cm (8–16 in)
Pet safety
Pet-safe

The short version

  • Beginner-friendly and forgiving.
  • Give it Bright indirect.
  • Water every 10–14 days.
  • Safe around cats and dogs.

The Christmas Cactus (Schlumbergera truncata) is a popular houseplant from the Cactaceae family, native to Southern Brazil. It is rated Easy to grow and typically reaches 20–40 cm indoors. Here is everything you need to keep it healthy — watering, light, humidity, feeding, propagation, and pet safety. It is a Moderate grower, putting on most of its growth in the warm, bright months of spring and summer.

Also known asSchlumbergera truncataシャコバサボテン蟹爪兰Cactus de NavidadCactus de Noël

📋Quick facts

Growth rateModerate
Mature size20–40 cm (8–16 in)
Native regionSouthern Brazil
Plant familyCactaceae
ToxicityNon-toxic
Air-purifyingNo
Ideal forbeginners, homes with pets, shelves & hanging pots

⚖️Pros & cons

Pros

  • Non-toxic to cats and dogs
  • Hard to kill; great for beginners
  • Flowers indoors
  • Compact — fits a desk or shelf
  • Beautiful trailing habit

Cons

    💧Watering

    Water your Christmas Cactus roughly every 10–14 days, letting the top few centimetres of soil dry out between waterings. Always empty the saucer so the roots never sit in water — overwatering is the most common way this plant is lost.

    Not sure when to water? Push a finger 2–3 cm into the soil and water only when it feels dry at that depth — a cheap moisture meter or the weight of the pot works too. Water thoroughly until it runs from the drainage holes, then tip away anything left in the saucer. Soft, yellowing lower leaves usually mean too much water; crispy, curling leaves usually mean too little. Always ease off in the darker months, when the plant drinks far less.

    Never forget to water
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    ☀️Light & placement

    The Christmas Cactus likes bright, indirect light — near a window but out of direct midday sun, which can scorch the leaves.

    Set it right beside an east window, or just back from a south/west one behind a sheer curtain, so it gets plenty of light without direct midday rays on the leaves. Rotate the pot weekly for even growth, and dust the leaves so they can drink in the light.

    🌡️Temperature & humidity

    Keep it between 15–24 °C and away from cold draughts and heating vents. It prefers Average humidity; if your air is dry, group it with other plants or use a humidifier.

    🪴Soil & feeding

    Plant it in chunky, airy mix (bark + perlite). Feed with a light succulent feed once or twice in the growing season, and stop feeding in autumn and winter when growth slows.

    🗓️Season-by-season care

    SeasonWateringWhat to do
    Spring (Mar–May)Resume regular watering as growth restarts.The main growing season begins — start feeding again, repot if it is pot-bound, and take cuttings now for the best success.
    Summer (Jun–Aug)This is the thirstiest season; check the soil more often.Keep feeding on schedule, watch for pests in the warmth, and shield the leaves from scorching midday glass. Higher humidity is welcome.
    Autumn (Sep–Nov)Let the soil dry a little longer between waterings.Taper off feeding as growth slows, and move the plant away from cold windows and doorways before the first chills.
    Winter (Dec–Feb)Water sparingly — overwatering now is the number-one killer.Stop feeding, give it the brightest spot you have, and keep it away from radiators, heat vents, and cold draughts.

    🪟Repotting

    Repot roughly every 2 years, ideally in spring as growth picks up. Move up just one pot size (2–3 cm wider) with drainage holes — too big a pot holds water and invites root rot. Signs it is time: roots creeping from the drainage holes or circling the surface, water running straight through, or growth that has stalled. In the years you do not repot, scrape off and replace the top few centimetres of soil.

    ✂️How to propagate, step by step

    Spring and early summer, during active growth, give the best success. Here is how to do it, step by step:

    stem cuttings in soil

    1. Cut a 10–15 cm stem just below a node and remove the lower leaves.
    2. Dip the cut end in rooting hormone if you have it (optional).
    3. Push it into moist, well-draining mix and firm the soil around it.
    4. Cover loosely with a clear bag to hold humidity, and keep in bright, indirect light.
    5. After a few weeks, a gentle tug that meets resistance means roots have formed — remove the bag and grow on.

    🔬Classification

    Plant typeCactus
    GenusSchlumbergera
    FamilyCactaceae · Cactaceae
    Native toSouthern Brazil

    🩺Common problems

    SymptomLikely causeWhat to do
    Will not flowerToo little light, or it is not mature yetGive it brighter light and be patient through a season.
    Drooping or wiltingToo little (or too much) waterCheck the soil: water if dry, ease off if soggy.

    🩺 Plant Doctor →

    🐛Pests & prevention

    The usual indoor pests are spider mites (fine webbing, speckled leaves), mealybugs (white cotton-wool tufts), scale (small brown bumps), and fungus gnats (tiny flies from soggy soil). Inspect any new plant before it joins the others, wipe the leaves now and then, and let the topsoil dry to keep gnats away. At the first sign, isolate the plant, wipe or rinse off what you can, and treat with insecticidal soap or neem oil every week until it is clear.

    🐾Is it safe for pets?

    Good news for pet owners: the Christmas Cactus is considered non-toxic to both cats and dogs by the ASPCA. It is one of the safer choices for homes with animals, though eating any plant can still cause mild stomach upset.
    Toxicity information is a general guide based on ASPCA data. If your pet or child may have eaten any part of a plant, contact a vet or poison control right away.

    Frequently asked questions

    Is the Christmas Cactus toxic to cats and dogs?

    No — the ASPCA lists the Christmas Cactus as non-toxic to cats and dogs. Eating a lot of any plant can still cause mild stomach upset.

    How often should I water a Christmas Cactus?

    About every 10–14 days — let the top few centimetres of soil dry out first, then water thoroughly and drain.

    How much light does a Christmas Cactus need?

    Bright indirect. Keep it out of harsh direct midday sun unless it is a full-sun plant.

    Why does my Christmas Cactus have Will not flower?

    Too little light, or it is not mature yet. Give it brighter light and be patient through a season.

    How often should I repot a Christmas Cactus?

    About every 2 years, ideally in spring. Move up just one pot size when the roots fill the pot or creep out of the drainage holes.

    How fast does a Christmas Cactus grow?

    It is a Moderate grower, with most of its growth in the brighter, warmer months of spring and summer.

    How big does a Christmas Cactus get indoors?

    Usually 20–40 cm indoors, depending on light, pot size, and how long you have had it.

    Is the Christmas Cactus an air-purifying plant?

    It is grown mainly for its looks rather than as an air-purifying plant, though all houseplants add a little greenery and humidity.

    Is the Christmas Cactus easy to care for?

    It is rated easy. It is very forgiving and great for beginners.

    📚Sources & further reading

    Care values reflect established horticultural guidance; toxicity is cross-referenced with the ASPCA.

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    Last reviewed: 2026-08-23

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