ditch weed vs zombie's cucumber

ditch weed

noun
  • Datura stramonium (jimsonweed). 

  • low-quality marijuana. 

  • wild marijuana, usually a type used for hemp production, eg, Cannabis sativa var. sativa. 

zombie's cucumber

noun
  • Jimsonweed (Datura stramonium), as used in Haiti. 

How often have the words ditch weed and zombie's cucumber occurred in a corpus of books? (source: Google Ngram Viewer )