香 has a wider range than English 'fragrant.' It covers nice smells (花很香), tasty food (菜真香), and even sound sleep (睡得香). The opposite is 臭 (chòu, stinky).
culture
真香 (zhēn xiāng, 'it's actually great') became a huge internet meme in China — used when someone reluctantly tries something and ends up loving it.
