Croci In Wynnewood March 9, 2024 by Gerry Crocuses or Croci? Crocuses: This is the widely accepted and most commonly used plural form for crocus. It’s easy to remember and rolls off the tongue smoothly.Croci: This is the Latin plural of crocus, following the standard Latin pluralization rule of adding “-i.” It has a more classical and botanical feel.Both options are grammatically correct, so the choice is yours! Click above to see more of the 21st Century on the Main Line.