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A picture of a Dog's Mercury

Dog's Mercury

Mercurialis perennis

Also known as

Dog Mercury

Full Shade
Easy care
Light watering
Frost Hardy

9a

USDA zone

-7°C

Minimum temperature

Expected size

Height
Spread

30cm

Max

1m

20cm

Min

50cm

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

More images of Dog's Mercury

A photo of Dog's Mercury
Mercurialis perennis 2
Mercurilalis perennis female
A photo of Dog's Mercury

Dog's Mercury Overview

Dog's mercury is a carpet-forming green plant of dark, shady forests. It is a dioecious plant, meaning male and female flowers will grow on separate plants. Folk lore states that a tincture made from the male flowers will increase the possibility of having a male child, and a female child from a tincture of the female flowers.

Common problems with Dog's Mercury

Generally, pest and disease free.

    How to harvest Dog's Mercury

    Harvest seeds in late summer when ripe.

    How to propagate Dog's Mercury

    Rhizomes

    Will spread naturally via rhizomes.

    Seed

    Scatter seed when ripe in late spring and early summer.

    Division

    Divide the roots at any time of year, planting immediately where desired. Soil should cover the roots but not higher than the plant stem.

    Other uses of Dog's Mercury

    Wildflower/meadow