Jack-go-to-bed-at-noon vs noon-flower

Jack-go-to-bed-at-noon

noun

  • A biannual plant distributed across Europe and North America (Tragopogon pratensis) 

noon-flower

noun

  • Disphyma crassifolium subsp. clavellatum 

How often have the words Jack-go-to-bed-at-noon and noon-flower occurred in a corpus of books? (source: Google Ngram Viewer )