Definition of garden white in English:

garden white

noun

  • (Also "garden white butterfly") the large white butterfly (Pieris brassicae) and the small white butterfly (Artogeia rapae), the caterpillars of which are pests of brassicas, nasturtiums, and certain other cultivated plants; also called cabbage white.

Origin

Mid 18th century; earliest use found in Moses Harris (1730–c1788), entomologist and artist.