This may also apply to roses

See:

http://www.electronicipc.com/JournalEZ/detail.cfm?code=04200020410705&CFID=729629&CFTOKEN=C7210EF0-1546-4DC2-B773EC8B0FA9F939

Link: www.electronicipc.com/JournalEZ/detail.cfm?code=04200020410705&CFID=729629&CFTOKEN=C7210EF0-1546-4DC2-B773EC8B0FA9F939