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Thanksgiving Cactus

Schlumbergera truncata

Family: Cactaceae Origin: Brazil Cactus

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Thanksgiving Cactus (Schlumbergera truncata)
Photo: JennTM · CC BY-SA 4.0 · Wikimedia Commons

Care requirements

Wateringevery 1-2 weeks — Water when top inch of soil is dry; more in bloom
LightBright, indirect
Humidity40%–70% (ideal 55%)
Temperature15–27°C (ideal 21°C)
FertilizerEvery 2-3 months in spring/summer — Low-nitrogen cactus fertilizer
SoilVery well-draining cactus/succulent mix (pH 5.5–7.0)

Quick answers

How often should I water Thanksgiving Cactus?

Water Thanksgiving Cactus every 1-2 weeks. Water when top inch of soil is dry; more in bloom.

How much light does Thanksgiving Cactus need?

Thanksgiving Cactus grows best in bright, indirect light. Protect it from harsh direct sun, which can scorch the leaves.

What is the most common problem with Thanksgiving Cactus?

Etiolation is the most common problem. Likely causes: insufficient light. What to do: move to a brighter spot; gradually increase sun exposure.

Common problems & fixes

Etiolation

Causes: Insufficient light

Fix: Move to a brighter spot; Gradually increase sun exposure

Yellow leaves

Causes: Overwatering, Poor drainage, Cold drafts

Fix: Reduce watering; Check drainage holes; Move to a warmer spot

Brown tips

Causes: Low humidity, Fluoride in tap water, Underwatering

Fix: Increase humidity; Use filtered water; Water more consistently

Root rot

Causes: Overwatering, Heavy soil, No drainage holes

Fix: Repot in well-draining soil; Allow soil to dry; Trim mushy roots

Pests

Causes: Mealybugs, Spider mites, Scale

Fix: Wipe with insecticidal soap; Isolate the plant; Check new plants before bringing home

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