Colocasia – Royal Hawaiian^® ‘Tropical Storm’

Heat Tolerant

Foliage Interest

Water Plant

Maintenance Notes

Easy Care. Can tolerate soil moisture from average to wet.  Bulbs can be dug and stored in cold winter climates to be replanted again the next year.

Uses Notes

Great for containers especially as a thriller, but can be an annual for garden beds in Northern climates and a perennial in Southern climates.

Maintenance Category Easy

Water Category Average

Bloom Time

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.

Grower Tips

Colocasia can be cutback if needed.