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A picture of a Dumb Cane

Dumb Cane

Dieffenbachia oerstedii

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Dieffenbachia oerstedii kz2 by Krzysztof Ziarnek, Kenraiz (CC BY-SA 4.0)

Partial Shade
Moderate watering
Tender

H1a

RHS hardiness

15°C

Minimum temperature

Expected size

Height
Spread

1.5m

Max

1m

50cm

Min

50cm

3 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Dumb Cane

Dieffenbachia flour
Dieffenbachia flour 2

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Dumb Cane Overview

Dieffenbachia oerstedii is an evergreen perennial species in the aroid family, Araceae. It has large, oval leaves which are attractively marked with green and white patterning. Also known commonly as Dumb Cane, this references the plant's poisoning effect, which if ingested, can cause a temporary inability to speak. Long periods of bright sunlight may damage the foliage, this plant does best in partial shade, having originated from tropical forest habitats in North and South America and the West Indies. Flowers are borne on erect spikes, these are surrounded by cream-green spathes and may appear at any time of year. However these are rarely seen in cultivation.

How to propagate Dumb Cane

Layering

Cuttings

Seed

Special features of Dumb Cane

Attractive leaves