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Thanks Maggi, Gabriela and Brian. 'Boyar' is an early Corydalis here (at least last year), so it would be good with late snowdrops. I don't have any snowdrop growing near it, but Brian your comment gave me an idea to plant it next to yellow snowdrops, I think they would make a good combination. Another very dark coloured Corydalis would be C.wendelboi 'Abant Wine', and I have to move it this year (Leucojum vernum seedlings are smothering it) so perhaps I will plant also it next to yellow snowdrops. Thanks Kris. Here the winters vary very much in recent years, the coldest is usually around -25C or little colder, but mostly it is between 0- -15C, and usually with quite little snow so the ground freezes deep. Now there is about 15cm snow in my garden, but usually there is more. The winter lasts usually from early December until late March, but sometimes even until April. This year winter started already in November. Snowdrops come up in March (or sometimes earlier), and April is the main snowdrop season here. There are still nights below 0C in April but the days are usually between 0 -+ 10C, in the end they may be +15C or even more. Corydalis solida comes up usually in mid April and they flower until the second week of May, but it depends on the spring.I think if you can grow Corydalis malkensis and solida, you can grow also snowdrops, at least G.nivalis. I think it is a matter of soil more than climate, after they have become established. I don't think they mind the cold winter when they have rooted well. For me snowdrops do best when they are planted dormant in the summer, between June and August, or even the beginning of September, but when I have planted them later, clearly they have not had enough time to root properly before winter and then there may have been more damage. Like Maggi wrote, try with G.nivalis or some cheaper old cultivar, and I would suggest you to choose late flowering cultivars. Early flowering cultivars may come up too early and either flower inside the snow or if there is not snow, then their leaves may become damaged by the cold (if it is very cold), but not necessarily. If you get snowdrops closer to home, then you can also try to plant them in the spring, but if you have to order them from far away and they have to travel inside a package for more than a week when they are still green, then they (in my experience) suffer. I can recommend dormant bulbs from Dryad Nursery or Avon Bulbs from UK, the latter sends bulbs later than Anne whose bulbs have done very well for me, and come in August and so have plenty of time to root before winter. Plant snowdrops in the same kind of soil as Corydalis, cover the soil with dry leaves at least for the first winter so that bulbs have enough time to root, and I'm sure they will do well for you.
