I have several small desert rose plants that I grew from seed as I was living in Doha, Qatar. They grew like weeds and were in top condition - they were outside in the blazing sun and I only had to water them occaisionally.
I moved back to Bavaria , Germany last summer with my little plants and have them on a south facing window sill. They are not happy however - the leaf tips turn yellow and then brown and any new leaves are very small and misshapen. I have looked in the internet but have been unable to find this sort of problem! They are not overwatered and the caudex looks healthy.
I would welcome any advice. :-)