Yes , they are really intriguing , but not as big as they look , actually they are tiny . look at this one one of my favourite . arisaema griffithii also Arisarum proboscideum
I've had a couple flower this year after growing them from seed. They were not really impressive. But each to his own.
Go for it Val! I grow a few and will be expanding the collection next year. A.tortuosum has the longest lasting flowers.................. There is a great variety not just in the spathes, but in the foliage too. A.costatum (a very easy species to start with and quite common in garden centres)................... A.cilatum (taken at Oxfords Botanic Gardens).................. And A.ringens................... Most important thing is to make sure that the soil/potting medium is airy and free draining to avoid losses through tuber rot. Arisaema are a member of the Araceae family which in my opinion deserves to be seen more. How can you not love Dracunculus vulgaris Pete - it's big and showy! I'm even happy to allow a few Arum maculatum to grow in my garden.............
I cossetted mine for the first few years but now I find them popping up in unexpected areas of the garden. Not sure if they have seeded or if a stray tuber has been thrown out with the compost.