At a glance
- Light
- Medium / indirect light
- Typical interval
- Every 8 to 12 days (summer)
Every 14 to 22 days, sometimes less (winter) - Climate
- 18–24 °C
- Humidity
- 50–70 %
- Pet safety
- Pet-safe (non-toxic)
- Scientific name
- Schlumbergera spp.
When and how much water
Water Christmas cactus when the top 3 cm of soil feel dry. In summer that’s typically every 8 to 12 days. In winter, slow down to every 14 to 22 days, sometimes less. Use room-temperature water and let any excess drain. Never leave the pot sitting in standing water.
Adjust the timing for the light at the plant, the pot’s size and material, and the humidity indoors. Terracotta dries faster than glazed ceramic.
Light and placement
Christmas cactus thrives in bright, indirect light. Direct midday sun can scorch the leaves. Place it 1–2 meters back from an east or west window, or behind a sheer curtain on a south window.
Feeding
Feed Christmas cactus every 45 days while it’s actively growing. Use a cactus and succulent fertilizer, which is lower in nitrogen, at half the strength on the label, and only on soil that’s already damp.
When growth pauses, skip the fertilizer and let it rest.
Temperature & humidity
Christmas cactus is comfortable between 18 and 24 °C. Below 10 °C the leaves start taking damage, so keep it clear of cold drafts and unheated rooms.
It does best at 50–70% humidity. It doesn’t need misting.
Common problems
Yellowing, drooping, and dry edges often point to watering or drainage. Compare the signs before changing the routine.
Find what’s wrong
Toxic to pets?
No. Pet-safe.
Christmas cactus is non-toxic to cats and dogs. Safe to keep in a home with pets.
Pet-safety information in the JungleBook uses ASPCA reference data where available. It is reference information, not veterinary advice.
Common questions
How often should I water a Christmas cactus?
Water your Christmas cactus (Schlumbergera spp.) when the top 3 cm of soil feel dry. In summer, that’s typically every 8 to 12 days. In winter, slow down to every 14 to 22 days, sometimes less.
How much light does a Christmas cactus need?
Christmas cactus thrives in bright, indirect light. Direct midday sun can scorch the leaves. Place it 1–2 meters back from an east or west window, or behind a sheer curtain on a south window.
Is Christmas cactus safe for cats and dogs?
Christmas cactus is non-toxic to cats and dogs. Safe to keep in a home with pets.
Why are my Christmas cactus’s leaves turning yellow or drooping?
On a Christmas cactus, yellowing and soft growth usually mean overwatering: watch for soft mushy segments, root rot, or segments falling off. Let the soil dry further between waterings and check drainage. If you see shriveled segments, wilting segments, or bud drop instead, it’s likely thirsty. Water a little more often. With Botanicaly Pro, Botanicaly Bot can help assess visible signs from a photo and suggest possible causes.
Sources5 references
- Royal Botanic Gardens, Kew: Plants of the World OnlineTaxonomy · accepted genus · native range · accepted species
- Royal Horticultural SocietyWhat are Christmas cacti · Planting · Temperature · Watering · Humidity · Feeding · Problems
- North Carolina State University Extension Gardener Plant ToolboxDescription · Cultural Conditions · Insects, Diseases, and Other Plant Problems
- University of Minnesota ExtensionQuick facts · Light and temperature · Soil · Watering · Fertilizing · Flower buds · Common issues
- ASPCA Animal Poison ControlExact Schlumbergera bridgesii pet-safety record · not genus-wide for Schlumbergera spp.
Last reviewed: 2026-09-21
