Colocasia – Illustris – Elephant’s Ear – Colocasia esculenta
Adapatable as House Plant
Dead-Heading Not Necessary
According to the Humane Society of American Colocasia plants can be toxic to pets. This is means that the plants are generally identified as having the capability for producing a toxic reaction.
This plant is not edible and can be harmful to humans if ingested.
Colocasia form tubers and these tubers can be stored for replanting in the spring. To dig and store tubers follow these directions. First, allow frost to kill the top of the plant then cut back the stems and dig the tubers. Wash off any soil and then allow the tubers to dry. Wrap dry tubers in newspapers or pack them in peat moss. Label each tuber or group of tubers so you know what they are come spring. Store tubers in a dark, cool (35 to 45 F) place. Do not allow tubers to freeze.
Great in large containers or in the landscape
Maintenance Category Easy
Water Category Average
Flower Form Container, Landscape
pH B - pH 5.8 - 6.2
EC (2:1 Extraction Method) 0.6 - 0.9
Fertilization 150 - 200
Light Requirements Medium, High
Water Requirements Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 70 - 75° Fahrenheit
Holding Temperature 50 - 60° Fahrenheit
Planting and Timing Information
Spring through Summer Finish. 1 liner per 4-6" pot.
Finishing Times [weeks]
4-5" and Quart Pot : 7-9
6" and Gallon Pot : 9-11
7-9" Pot : 11-13
10-12" and Two Gallon Pot : 13-15
Pinching and Growth Regulators
Pinching not needed. PGRs are generally not needed. Sumagic is effective if needed.
Pest and Disease Management
General pest and disease practices as listed in notes.
Colocasia can be cutback if needed.