You will get japonicas & parlor palms at all garden centres Uk or Usa they are cham safe & look great my cham loves hiding under the big japonica leaves.
U have to repot with organic soil & wash leaves thoroughly to get rid of any pesticides etc
I have just got some good plants from my local wyvale. im in kent in the UK. This time of year you can get boston fern, palms, croton, hibiscus (just going out of season) ficus, camellia, lavendar and dracaena.