Cilantro is the Spanish word for coriander, also deriving from Coriandrum. It is the common term in American English for coriander leaves due to their extensive use in Mexican cuisine, but the seeds are referred to as coriander in American English.
It helps us recommend plants that are best for your local climate, based on your growing zone. Also, because we ship plants based on when they are best for your local climate, it allows us to give you a more accurate estimate of when your order will ship.