Pennyroyal breeds & varieties
6 named types — desirability tiers S (best) through F.
AMentha pulegium
Origin: GB
Camphor MintCautionEuropean SpeciesOil Hazard
AEuropean Pennyroyal
Origin: FR
CautionEurope RangeEuropeanGroundcover Habit
ACreeping Pennyroyal
CautionCreepingFragrantIntense
BUpright Pennyroyal
CautionErect HabitGarden FormHarvestable Sprigs
BHedeoma pulegioides
Origin: US
AmericanAmerican SpeciesCautionDifferent Genus
BAmerican Pennyroyal
Origin: US
AmericanCautionCommon US NameField Annual