Related Clues:

• Apr. season
• The vernal equinox heralds its onset (abbr.)
• Winter follower, on some calendars (abbr.)
• Apr. is in it
• Easter time: Abbr
• Time of yr. for new growth
• Certain three-mo. period
• Mar. arrival, in theory
• 6-Down is in it: Abbr
• Colo __, CO