Aroiders: Typhonium; I have grown T. giganteum outdoors for about 8 years and it is absolutely ther last of the hardy aroids to emerge in late summer. It is not unusual to wait until the end of July-even mid-August before the first leaf emerges. It stays up right to frost. On the other hand T. divericatum which is not hardy here goes dormant about the same time and stay barely dormant in a cool greenhouse until March or April and continues to grow and bloom off and on all summer. I'd bet that in a warmer climate it would stay active all year long. Jim W. James W. Waddick Voice: 816 746 1949 8871 NW Brostrom Rd E-MAIL: jim-jim@swbell.net Kansas City MO 64152 Fax: 816 746 1939 Zone 5/6 - Winter low -10=B0F Summer high +100=B0F