Spotted Dumb Cane
Dieffenbachia maculata
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Care requirements
| Watering | every 1-2 weeks — Water when top 2 inches of soil are dry |
|---|---|
| Light | Medium to bright, indirect |
| Humidity | 50%–70% (ideal 60%) |
| Temperature | 16–27°C (ideal 21°C) |
| Fertilizer | Monthly during growing season — Balanced 10-10-10 |
| Soil | Well-draining potting mix (pH 5.5–7.0) |
Quick answers
How often should I water Spotted Dumb Cane?
Water Spotted Dumb Cane every 1-2 weeks. Water when top 2 inches of soil are dry.
How much light does Spotted Dumb Cane need?
Spotted Dumb Cane grows best in medium to bright, indirect light. It tolerates lower light levels, though growth slows. Protect it from harsh direct sun, which can scorch the leaves.
Is Spotted Dumb Cane safe for cats and dogs?
No. Spotted Dumb Cane is toxic to pets if chewed or eaten. Typical symptoms: c, a, l, c, i, u, m, , o, x, a, l, a, t, e, , c, r, y, s, t, a, l, s, :, , t, o, x, i, c, , i, f, , i, n, g, e, s, t, e, d. Keep it out of reach and contact a vet if your pet eats it.
What is the most common problem with Spotted Dumb Cane?
Yellow leaves is the most common problem. Likely causes: overwatering, poor drainage, cold drafts. What to do: reduce watering; check drainage holes; move to a warmer spot.
Common problems & fixes
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
Safety
Symptoms: C, a, l, c, i, u, m, , o, x, a, l, a, t, e, , c, r, y, s, t, a, l, s, :, , t, o, x, i, c, , i, f, , i, n, g, e, s, t, e, d