Senecio is a genus of flowering plants that contains more than 1000 species of groundsels, ragworts, and dusty miller. The scientific Latin genus name 'senecio' means 'old man'. Except for some species that are considered noxious weeds, most Senecio plants are gorgeous succulents, striking hues and fabulous foliage attributes. This plant family definitely has diversity in appearance: some are small, some grow large shrubs, while some are trailing plants or creeping ground covers. Senecio succulents can tolerate drought and heat but might not survive cold weather. Senecio is an adorable succulent that's easy to grow indoors with little attention.