Guide botanique
Christmas Cactus.
Schlumbergera × buckleyi
Prononciation shlum-BER-ger-uh buck-LEE-eye
Aussi appelée Schlumbergera × buckleyi, Christmas cactus

The Christmas Cactus is a festive succulent known for its beautiful, pendulous blooms that appear during the winter months. It thrives in indoor environments and is quite easy to keep happy with the right light and moisture levels. These plants are actually epiphytes, meaning they grow on trees in their native Brazilian rainforests.
En un coup d'œil
- Care level
- Easy
- Plant type
- Epiphytic succulent
- Light
- Bright indirect light
- Indoor light
- bright-indirect
- Water
- Every 7 to 14 days
- Mature size
- 30 to 60 cm
- Growth rate
- medium
- Hardiness
- USDA 10 to 12
- Bloom time
- Late autumn to winter
Entretien
Keep your plant in bright, indirect light and ensure the soil stays slightly moist but never soggy. To encourage blooming, provide cooler temperatures and longer nights during the late autumn. Watch for shriveled stems, which often indicate the plant needs more water.
- Watering
- Water when the top inch of soil feels dry to the touch.
- Feeding
- Use a balanced liquid fertilizer during the active growing season.
- Pruning
- Prune lightly after flowering to encourage bushier growth.
- Repotting
- Repot only when the plant becomes root-bound.
- Soil
- Well-draining, peat-based potting mix
- Soil pH
- 5.5 to 6.2
- Temperature
- 15 to 24°C
- Humidity
- 50 to 60%
- Drought tolerance
- low
- Lifespan
- Perennial, can live for several decades with proper care.
- Deer and rabbits
- moderate
Signes qu'il faut rempoter
- Roots growing out of the drainage holes.
- The plant has stopped growing despite good care.
- Water runs straight through the pot without soaking in.
Sécurité
- People
- The plant is generally considered non toxic to humans.
- Pets
- This plant is non-toxic to cats and dogs.
- Children
- The stems are brittle and can be a choking hazard if broken into small pieces by curious children.
- Contact allergens
- There are no known significant skin irritants associated with this plant.
- Airborne allergens
- There are no known significant airborne allergens associated with this plant.
- Edibility
- While not considered toxic, the plant is not intended for consumption and may cause digestive upset.
Comment l'identifier
- Segmented, flattened, leaf-like green stems
- Smooth, rounded stem edges
- Pendulous, tubular flowers
- Flowers appear at stem tips
- Height
- 0.3 to 0.6m
- Spread
- 0.3 to 0.6m
- Leaves
- green, evergreen
- Flowers
- pink, red, white, purple, 3 to 8cm
Problèmes courants
- Root rot — This occurs when the soil stays too wet for too long, causing the roots to decay.
- Mealybugs — These small white insects hide in the joints of the stems and suck plant sap.
- Bud drop — Sudden changes in temperature or light levels can cause the plant to drop its flower buds prematurely.
La cultiver
- Propagation
- cuttings
- When to plant
- spring
- Overwintering
- Keep the plant in a cool room with bright, indirect light. Reduce watering significantly during the winter months, allowing the soil to dry out more between waterings.
- In containers
- It grows very well in containers and prefers a pot that is just large enough to hold its root ball.
Stem Cuttings
- 1. Twist off a Y shaped segment of the stem.
- 2. Let the cut end callous over for a day or two.
- 3. Insert the calloused end into a moist, well draining potting mix.
- 4. Keep the soil lightly moist until roots develop.
Group plants with similar humidity needs together to create a microclimate that keeps them all happy.
Bonnes associations
- Phalaenopsis Orchid — They share similar light and humidity requirements in an indoor setting.
- Peace Lily — Both plants thrive in indirect light and appreciate consistent moisture.
À éloigner de
- Succulents — Most desert succulents require much more direct sun and less water than this tropical cactus.
Espèces similaires
- Thanksgiving Cactus — It looks very similar but has more pointed, claw like projections on the stem segments.
- Easter Cactus — It has rounded stem segments and blooms in the spring rather than the winter.
Science
- Family
- Cactaceae
- Genus
- Schlumbergera
- Order
- Caryophyllales
- Class
- Magnoliopsida
- Native range
- The parent species are native to the coastal mountains of southeastern Brazil.
- Conservation
- This hybrid is a cultivated plant and is not found in the wild.
In its native habitat, it grows in the crotches of trees where it collects moisture and nutrients from decaying organic matter.
- Value to wildlife
- nectar source
- Pollinators
- hummingbirds
- Uses
- indoor ornamental, hanging basket specimen
Au fil des saisons
Repères écologiques
- Moisture
- 5/9
- Salinity
- 1/9
- Soil reaction
- 5/9
- Light
- 4/9
- Temperature
- 6/9
- Nutrients
- 3/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- Why is my Christmas cactus not blooming?
- It likely needs longer periods of darkness and cooler temperatures for several weeks in the fall to set buds.
- How much water does it need?
- Water when the top inch of soil feels dry, but never let it sit in standing water.
D'où vient le nom
The genus honors Frédéric Schlumberger, a French cactus collector, while the specific epithet honors William Buckley, who created the hybrid in the 1800s.
Bon à savoir
- It is commonly known as the Christmas cactus because it typically blooms in late autumn or early winter.
- Unlike desert cacti, this plant is an epiphyte that grows on trees in its native tropical rainforest environment.
- The flowers are zygomorphic, meaning they are bilaterally symmetrical.
- It requires short days and cool nights to trigger flower bud formation.
Ton christmas cactus a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.