I think jimmids’s suggestions are unsuitable for a conservatory. They are all garden plants not really suitable for being grown indoors, nor do they need that sort of protection from frost.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
I appreciate the replies. I guess I was thinking of more exotic things, like brugmansia, bromeria climbers, plumbago, fuchsia boliviana, hardenbergia etc, things that are exotic, might take a little searching for but are available and can survive in a frost free environmemt. I know the knowledge and breadth of plants kept by the members and was hoping some things I hadn't considered might pop up. I've got a decent list already of possibilities but I like practical experience more than what it may say in the books, so any more suggestion will be great fully received.
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Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.