Pennyroyal
Mentha pulegium
Also known as
Pulegium, American Pennyroyal, Run-By-The-Ground, Lurk-In-The-Ditch, Pudding Grass, Mosquito Plant, Squaw Balm, Squawmint, Brotherwort, Churchwort, Fleabane, Flea Mint, Stinking Balm, Tickweed, Mint
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Full Sun
Easy care
Moderate watering
Frost Hardy
6a
USDA zone
-23°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
20cm | Max | 40cm |
10cm | Min | 20cm |
6 months to reach maturity
Flowering
spring
summer
autumn
winter
This plant has a strong fragrance
More images of Pennyroyal
Pennyroyal Overview
Mentha pulegium is a perennial species from the Lamiaceae family. It is commonly known by the names Pennyroyal or Pennyrile, amongst other names. Creeping Pennyroyal has a low spreading habit and can be used as a ground cover. Though it is somewhat sparse in the winter and can be invaded by the more aggressive weeds. Crushed Pennyroyal leaves emit a very strong aroma similar to spearmint. Small purple blooms are produced on vertical inflorescences in whorls during the summer. The fresh or dried plant will repel fleas, ants, moths and rodents.
Common problems with Pennyroyal
Generally problem free.
How to harvest Pennyroyal
Leaves and stems can be harvested to dry at any growth stage.
How to propagate Pennyroyal
Division
Divide in spring or autumn - remove runners with roots and replant.
Seed
Seeds can be sown into trays, but best propagation is by division.
Special features of Pennyroyal
Repels harmful insects
The fresh or dried plant will repel fleas, ants, moths, and rodents.
Attracts useful insects
The flowers provide food for bees and butterflies.
Other uses of Pennyroyal
Wildflower, ground cover.