Green Snake, Western Smooth

Latin name

Opheodrys vernalis blanchardi


Fast facts

  • Adult body length: 12 - 20 inches, record 26 inches
  • Length when hatched: 4 - 6½ inches
  • Breeding period: mate in spring and late summer
  • Young per year: lay 3 - 11 eggs in late August to September
  • Typical foods: mainly insects and spiders


    As suggested by its name, the scales of this snake are smooth, without keels. The Smooth Green Snake is bright grass-green in color. The under surface is white, often tinged with pale yellow. Recently hatched individuals are bluish gray or dark olive-green. The anal plate is divided. Separating the eastern subspecies from the western subspecies is very difficult and requires a specialist.


    Overall Range
    Indiana and southwestern Ohio west to Saskatchewan, Wyoming and southeastern Texas. West of the Mississippi River most populations are scattered.

    Range in Ohio
    Southwestern corner of the state, including Butler, Hamilton and Fayette Counties.

    Western Smooth Green Snake Ohio Map

    Local Habitat
    Moist grassy areas in meadows, marshes, and in fields along forest edges.


    The Smooth Green Snakes are diurnal. Although it is a good climber, this snake typically is terrestrial. While moving through grass and low shrubs the color of this snake provides excellent camouflage. Individuals often hibernate together in large numbers.