In a message dated 1/20/99 10:39:15 PM GMT, kay@fern.com writes: << And if you want to grow them, keep the day length shorter than about 14 hours... they won't make tubers at day lengths much longer than that. >> Oh Kay, you do make life difficult for us, how does one shorten days? I can just see myself at the height of summer running out with blackout material and popping it over the plants :-) Mary.