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Christmas cactus care

Schlumbergera

Thirsty’s starting schedule for Christmas cactus: about every 7 days. Check the soil and adjust it to your home.

Watering

Water about every 1 to 2 weeks, when the soil is nearly dry, and never let it sit in water. Water less after it finishes blooming, then more again when growth resumes in spring. [1][2]

Light

Bright, indirect or filtered light; it does not tolerate direct sun, which can pale and burn the stems. [1][2]

Humidity

Unlike most cacti, it benefits from high humidity. [1][2]

Soil and potting

A well-drained potting mix with sand or perlite, in a pot with drainage holes; heavy, wet soil causes root rot. [1][2]

Pets

Non-toxic to cats and dogs. [3]

Sources

1. NC State Extension: Schlumbergera (Christmas Cactus, Crab Cactus, Holiday Cactus, Thanksgiving Cactus)
2. University of Minnesota Extension: Holiday cacti
3. ASPCA: Toxic and Non-toxic Plants: Christmas Cactus

This page summarizes the sources above; follow them for the full picture. Light, pot, soil and season all change how fast a plant dries out, so check the soil before you water. Last reviewed October 9, 2026.