Trachycarpus palms have proven them selves to be a very good choice for temperate gardens.
Trachycarpus is a genus of nine species of palms native to Asia, from the Himalayas east to eastern China. They are fan palms (Arecaceae tribe Corypheae), with the leaves with a bare petiole terminating in a rounded fan of numerous leaflets. The leaf bases produce persistent fibres that often give the trunk a characteristic hairy appearance. All species are dioecious, with male and female flowers produced on separate plants although female plants will sometimes produce male flowers, allowing occasional self-pollination.
All the palms I sell are raised from seed.