Annual Mercury (Mercurialis Annua) is a annual herb in the Euphorbiaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Mercurialis annua is an annual herbaceous plant native to the Mediterranean region and Middle East, characterized by its dioecious nature and greenish, petal-less flowers.

Annual Mercury

Annual Mercury

Mercurialis Annua

Mercurialis annua is an annual herbaceous plant native to the Mediterranean region and Middle East, characterized by its dioecious nature and greenish, petal-less flowers.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, loamy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:groundcover, soil stabilization, weed

Care Calendar

Monthly care tasks for Annual Mercury

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Annual Mercury
Annual Mercury detail

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Taxonomy

Family:Euphorbiaceae
Genus:Mercurialis