Connecticut Plants
Scarlet Pimpernel
Lysimachia arvensis (L.) U. Manns & A. Anderb.

Scarlet pimpernel flowers are open only when the sun shines; their habit of closing in dull weather has given the plant the name "poor man's weather-glass."

  • Synonyms: Anagallis arvensis L.
  • Family: colicwood (Myrsinaceae)
  • Habitat: roadsides and waste places, usually in sandy soil
  • Height: 2-6 inches
  • Flower size: 1/4 inch across
  • Flower color: red-orange, occasionally white or blue
  • Flowering time: June to September
  • Origin: Europe
Anagallis arvensis L.