Thanks Randy for the suggestion. I'll see if I can find a source online. Boyce On Tue, Mar 13, 2012 at 5:24 PM, Randy.R <steyrhahn@yahoo.com> wrote: > Boyce, > > I use a product named PermaTill OneTime to help break up clay soils. The > product claims that is it can be used to line a planting hole, it will > protect from voles. YMMV good luck. > > Randy.R > zone7b > > >deer and fritillaries > >Boyce Tankersley (Tue, 13 Mar 2012 13:50:21 PDT) > > > >Voles seem to enjoy the non-stinky Fritillarias bulbs in the Chicago area, > >much to our disappointment. > > > >Boyce Tankersley > >Chicago Botanic Garden > > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ >