I have had good luck keeping voles out of my saffron bed by laying 1/2 inch hardware cloth along the top of the ground, but you must extend it a foot past the last bulb and bury the edges so when they smell the bulbs and start digging they are stymied. Friends build coldframe-like boxes and cover with hardware cloth clad lids, but unless the carpentry is excellent, they are not as secure. My way is tougher to weed but you can use roundup or vinegar during dormancy. Tim > -----Original Message----- > From: pbs [mailto:pbs-bounces@lists.ibiblio.org] On Behalf Of Kathleen Sayce > Sent: Monday, October 31, 2016 7:58 PM > To: pbs@lists.ibiblio.org > Subject: Re: [pbs] cold frame > > Open mesh on top sounds easier, but if I'm going to spend $$ on bulbs, I think > boxes are better! Thanks for the suggestions, Jane. > > Kathleen > > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/