Mentha pulegium · Lamiaceae

Pennyroyal

⚠️ Not safe for petsIt is a perennial plant, remaining green throughout the year.20 to 40 cm

LightFull sun

WaterFrequent watering to keep the soil moist.

DifficultyEasy

ColdWithstands light frosts down to minus 5 degrees Celsius.

Full sunFrequent watering to keep the soil moist.EasyWithstands light frosts down to minus 5 degrees Celsius.

Description & origin

Pennyroyal is an aromatic plant known for its strong scent and medicinal properties. It is often used in teas and as a natural insect repellent. It thrives in sunny and moist environments.

Size

Remains compact and low-growing, ideal for borders.

Foliage

Evergreen foliage that stays green year-round.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Needs well-drained soil rich in organic matter.

Watering

Requires frequent watering to keep the soil moist.

Temperature

Tolerates slightly negative temperatures but prefers mild climates.

Fertilising

Fertilize monthly during spring and summer.

Repotting

Transplant in spring when necessary.

Pruning

Can be pruned regularly to encourage growth.

Propagation

Easily propagated by cuttings or division.

Common problems

Root rot

Occurs in poorly drained soils. Avoid waterlogging.

Rust

Fungi causing spots on leaves. Treat with fungicide.

Aphids

Insects that suck sap. Control with insecticidal soap.

Uses & curiosities

In the garden

Aromatic borders
Attracting pollinators
Natural insect repellent

Other uses

Used in teas and traditional cooking.

Did you know…

In Portugal, pennyroyal is traditionally used to make the famous 'açorda de poejo'.