Posted: 21/02/2013 at 21:21
I bought my first aubreittas as plants from my local market for 75p last year and the stall holders did say that they are difficult to grow from seed, I don't know. Think I will give them another try but probably wont spend too much time and effort on them given the price you can get small plants for.
Bad luck with the coldframe, if the roots are good I would think they would have a good chance of surviving. My white lobelia are still alive and growing, forming a mat of green. This is what they looked like this time last year and they made it through.
Not ever grown penstemon form seed, got some tiny tiny plantlets from a T&M offer last year that I grew on and planted out last Summer. They have survived the winter so should flower this year