The hardiness of Sinningia leucotricha in the Atlantic States is remarkable - everything about it appears to scream 'not hardy'. I shall have to consider whether or not to risk one of my old tubers here... I greatly admired Tony's Hemiboea when at Plant Delights Nursery last year, as well as several other Sinningia spp & cronies e.g. Titanotrichum. They all clearly need experimenting with over here, but my suspicion is that many will find our summers too cool for their liking. John Grimshaw Visit John Grimshaw's Garden Diary http://johngrimshawsgardendiary.blogspot.com/ Dr. John M. Grimshaw Sycamore Cottage Colesbourne Cheltenham Gloucestershire GL53 9NP Tel. 01242 870567 ----- Original Message ----- From: "Tony Avent" <tony@plantdelights.com> To: "'Pacific Bulb Society'" <pbs@lists.ibiblio.org> Sent: Monday, December 28, 2009 4:47 PM Subject: Re: [pbs] terrariums > John: > > Gesneriads have been a real focus of ours as well. Sinningia leucotricha > has been hardy for 5+ years for us as well with a low of 9 degrees F and > no > mulch. This is just one of many sinningia species that have proven winter > hardy in a similar period. Another gesneriad that has been a real > surprise > is Hemiboea subcapitata, which turned out to be hardy in Zone 6. We are > working with two other species now to see their potential. I hope more > folks will trial some of the great gesneriads outdoors. >