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Indoor Plants

Dieffenbachia

Dieffenbachia seguine

In short: Bright indirect light · medium water needs · toxic to cats and dogs (ASPCA)

Lush tropical foliage with bold cream and green patterns. Dieffenbachia adds instant jungle vibes to bright indoor spaces.

Water
Medium
Humidity
High
Growth
Fast
Mature size
3-6 feet indoors
Temperature
62–80°F (17–27°C)

Rarely blooms indoors. When it does, produces a green spathe similar to a peace lily. Not showy.

Last updated

Overview

Dieffenbachia: Bold Tropical Beauty

Commonly known as Dumb Cane, Dieffenbachia is a tropical stunner with large patterned leaves in striking combinations of green, cream, white, and yellow.

Why "Dumb Cane"?

The name comes from calcium oxalate crystals that cause temporary mouth swelling if ingested. Keep away from children and pets.

Statement Varieties

  • Camille: Creamy-white center with green border
  • Tropic Snow: Large leaves with silver-green variegation
  • Compacta: Smaller, bushier variety for tabletops

With proper care, grows vigorously to impressive indoor sizes. Fills empty corners beautifully with instant tropical ambiance.

Watering

Keep soil consistently moist during growing season, watering when top inch dries. Reduce in winter but never let soil dry completely. Use room-temperature water and drain thoroughly.

Light

Bright indirect light produces best growth and most vibrant patterns. Medium light tolerated but growth slows. Avoid direct sun which burns leaves. Rotate regularly for even growth.

Soil

Rich, well-draining mix of peat moss, perlite, and potting soil. Moisture-retentive but not heavy.

Fertilizing

Every 2-3 weeks in spring/summer with balanced liquid fertilizer at half strength. Moderately heavy feeder. Monthly in fall, stop in winter.

Propagation

Stem cuttings or air layering. Cut 4-6 inch section with at least one node, let dry briefly, place in moist perlite or water. Wear gloves — sap is irritating. Cane sections can be laid horizontally on moist soil to sprout.

Repotting

Annually in spring for fast growers, every 2 years for slower ones. Move up 2 inches. If too tall and leggy, cut back the cane — new growth emerges from the stump.

Common problems

Yellow lower leaves: Natural aging, or check for overwatering/nutrient deficiency.
Leggy bare stems: Insufficient light. Cut back to rejuvenate.
Drooping: Underwatering or cold drafts.
Brown edges: Low humidity — use humidifier or pebble tray.

Pro tips

Wear gloves: Sap causes skin irritation and severe mouth pain if ingested.
Rejuvenate: Cut bare cane to 6 inches above soil — new growth emerges quickly from the stump.
Ideal spot: Bright bathroom for warmth and humidity.

FAQ

Dieffenbachia questions

Keep soil consistently moist during growing season, watering when top inch dries. Reduce in winter but never let soil dry completely.
Bright indirect light produces best growth and most vibrant patterns. Medium light tolerated but growth slows.
Yes. Plant Care Club marks the Dieffenbachia as toxic to cats and dogs, following the ASPCA Toxic and Non-Toxic Plants list. Keep it out of reach and ask your vet if a pet eats part of it. See the ASPCA entry.

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