The numbers of these splendid creatures have dwindled because of climatic conditions, plant collectors, mining as well as goats and sheep eating seedlings as they are herded in close proximity to the large succulent. After flowers have been bloomed, they tend to develop a pungent odor. Once root rot sets in, the Whale's Tones will give off an unpleasant smell. Find out more information about root rot in this article. If you're looking for a brightly colored plant that's easy to care for, look no further than Kalanchoe'Pink Butterflies.