Schlumbergera russelliana
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Schlumbergera russelliana

Christmas Cactus · Crab cactus · Spring cactus

Tier 2 Difficulty: easy Water: low Light: partial_sun Toxicity: low
Temperature
20–41 °C
Soil pH
5–6
Hardiness
Zone 10–12
Click count
613
Observations
1,546

Description

Source: wikipedia (CC BY-SA)

Schlumbergera russelliana is a species of flowering plant in the family Cactaceae. It is endemic to a small area of the coastal mountains of southeastern Brazil, where its natural habitat is moist forest and it grows on trees as an epiphyte. It is one of the parent species from which many of the popular houseplants known as Christmas cactus or Thanksgiving cactus are descended.

💡 According to legend, the immortal Christmas cactus was once bright and soft. To protect it, God encased it in an armor of hard, steel-like thorns. Any creature that tried to harm it would end up bleeding.

🌳 The Christmas cactus is generally not recognized for practical uses aside from its ornamental role. Nevertheless, it unintentionally occupies a special place in human customs as a popular gift and holiday decoration during the winter season, symbolizing warmth, care, and celebration. Its striking blooms, which typically appear around Christmas, make it a living emblem of seasonal cheer. While it is not utilized for other major purposes—such as extracting essential oils or providing fibers—its emotional and cultural significance during the festive period is noteworthy.

Care Guide

💧 Water

The Christmas cactus is well-suited to humid tropical rainforests, so it prefers consistently moist soil that is not waterlogged. You should water it every two weeks, as it can tolerate moderate drought. As an epiphyte, the Christmas cactus benefits from misting to increase humidity, especially during the growing season when indoor air tends to be dry.

☀️ Light Partial sun

The Christmas cactus comes from habitats with dappled or filtered light, such as the forest understory or rocky sites that offer natural shade. It prefers partial sun but can also tolerate full sun.

Ideal: Partial sun
🌡️ Temperature 20–41.1°C

A Christmas cactus performs best in warm conditions and needs higher temperatures during the growing season to support growth and metabolic processes. It prefers abundant sunlight, suitable moisture levels, and good air circulation. However, it is vulnerable to harm from very low temperatures and from overwatering. Maintaining a balance is important; excessively high temperatures and overly dry conditions should be avoided as well.

Ideal temperature: 20–41.1°C
💨 Humidity
Humidity:
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer

Christmas cactus only needs light fertilizer applications once or twice a year during the growing season. Do not fertilize in winter or summer while it is dormant. Use less fertilizer for repotted plants and wait a couple of months after repotting before applying fertilizer. Fertilizing helps maintain healthy growth and encourages blooms.

🪴 Pot & Repot 2-3 years

Repot a Christmas cactus in spring or summer, choosing a pot slightly larger than the current one that has good drainage. Use a sandy or gritty cactus mix that drains well. Handle the plant carefully to avoid its spikes. Let the cactus dry out before repotting to help prevent root rot. After repotting, wait a week before watering so the roots can heal.

Suggested frequency: 2-3 years
✂️ Pruning

The Christmas cactus requires very little pruning. To ensure healthy growth and better nutrient distribution, regularly remove any withered flowers and branches.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Succulent
Life Cycle
Perennial
Genus
Schlumbergera
Family
Cactaceae
Hardiness Zone
10-12
Mature Height
30 cm to 61 cm
Mature Spread
30 cm to 61 cm
Leaf Color
Dark Green
Leaf Type
Semi-evergreen
Flower Color
Pink, Red
Flower Size
2.54 cm to 7.62 cm
Bloom Time
Fall
Planting Time
Autumn
Harvest Time
Early spring, Mid spring

Tags (4)

Common Names (3)

en Christmas Cactus
en Crab cactus
en Spring cactus