Pennyroyal (Mentha pulegium)

Pennyroyal (Mentha pulegium) is a bog plant that can grow 10cm – 50cm tall and 10cm – 50cm wide.

This plant has several common names including: pennyroyal, churchwort, flea mint, organ herb or pudding grass.

This is a deciduous plant that takes 2-5 years to reach full maturity.

Plant profile

Common name: pennyroyal, churchwort, flea mint, organ herb, pudding grass
Scientific name: Mentha pulegium
Plant type: Bogs, Herbs, Perennials
Habit: Mat forming
Height: 10cm – 50cm
Spread: 10cm – 50cm
Foliage: Deciduous
Sunlight: Full Sun, Partial shade
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained, Poorly drained
Garden type: Informal Garden, Wildlife Gardens

Seasonal colors

How to plant Pennyroyal (Mentha pulegium) – Agnieszka Kwiecień, Nova, CC BY-SA 4.0, via Wikimedia Commons

Cultivation profiles – Growing Pennyroyal (Mentha pulegium) – Raffi Kojian, CC BY-SA 3.0, via Wikimedia Commons