A lush, upright foliage plant with large leaves marbled in cream and green. Striking and easy, but its sap is irritating, so handle with care around pets and children.
At a glance
- Plant type: Indoor plant
- Mature size: 1.2 m tall
- Aspect: part shade or morning sun
- Water: regular, moderate watering
- Frost: tender
- Maintenance: low maintenance
- Origin: Exotic
About Dumb Cane
Botanically, Dieffenbachia seguine is a moderate-growing indoor plant in the Araceae family. It reaches around 1.2 m tall at maturity, with evergreen and variegated foliage.
Where to grow Dumb Cane
Dumb Cane suits tropical and subtropical climates and grows best in part shade or morning sun. It is frost tender, so protect it from hard frosts or grow it in a sheltered spot or pot.
Soil & planting
Most soils suit Dumb Cane provided drainage is reasonable. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool.
Watering & feeding
Dumb Cane does best with regular, moderate watering. Refresh mulch and provide a modest balanced feed at the start of spring. For the first year, favour occasional deep watering over frequent shallow drinks so roots move into the surrounding soil.
Pruning & care
Tip-prune Dumb Cane in spring to maintain a dense, shapely habit. Overall it is low maintenance.
Using Dumb Cane in the garden
Dumb Cane earns its place for pots and courtyard containers and a feature or specimen planting. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Combine Dumb Cane with plants that share its preference for regular, moderate watering and tropical climate. Use an odd-numbered group where space allows, or repeat it at intervals through a longer bed.
Good to know
Note that it is toxic to cats and dogs, so site it away from pets that chew. All parts can be toxic if eaten, so keep it away from small children.
Buying Dumb Cane
Plant Sale lists Dumb Cane as potted plants. Current stock is confirmed manually, so register interest above before planning around a specific size.