Hi, Thank you Jerry! I did not even realize of such a physiological problem in plants. And it is very probable. All the descriptions I have googled out from the Net are very similar to the symptoms I have been observing. Marek Walnik Glucholazy, Poland http://mwalnik.wodip.opole.pl/botanika/… (site in Polish but pictures and links more international) -----Oryginalna wiadomosc----- From: Jtlehmann@aol.com Sent: Saturday, August 27, 2011 8:05 PM Subject: Re: [pbs] Hippeastrum leaf problems Could it be oedema? Especially if it looks like it is drying out.