Mercurialis ambigua — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Mercurialis ambigua

Mercurialis Ambigua

Updated · 41 observations
ON THIS PLANT

Mercurialis annua is a species of flowering plant in the spurge family Euphorbiaceae known by the common name annual mercury or (rarely) French mercury. It is native to Europe, North Africa, and the Middle East but it is known on many other continents as an introduced species.

A note from PlantMom

Annual mercury has strong disease resistance and is typically not prone to illnesses. That said, it can be affected by pests and diseases present in its environment. These issues are normally mild. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to preserve a neat appearance and support healthy growth. Fertilizing can also encourage flowering. Annual mercury is appropriate for anyone with outdoor space, such as a garden or patio, and does not demand a lot of care experience. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Mercurialis Ambigua.

Light

Annual mercury grows best in locations where it gets plenty of light throughout the day. It does not require a specific type of light and can tolerate different conditions. Too much or too little light can impair its growth, though this also depends on other environmental factors. It originated in environments with abundant daily light.

Temperature

Annual mercury originates from temperate regions and prefers temperatures between 68 and 100°F (20 to 38℃). To maintain its best health, it is advisable to modify its environment in winter so the temperature remains at least 68°F (20℃).

Fertilizer

Annual mercury benefits from regular, weak fertilizer applications to encourage healthy leaf growth. Fertilize Annual mercury about once a month during the summer. Nitrogen is important for foliage, and adding nitrogen-rich sources helps Annual mercury thrive.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual
Genus
Mercurialis
Family
Euphorbiaceae
Hardiness Zone
5-12
Mature Height
10 cm to 61 cm
Mature Spread
15 cm to 30 cm
Leaf Color
Light Green, Forest Green
Leaf Type
Deciduous
Flower Color
Yellow, Green
Flower Size
0.15 cm to 0.18 cm
Bloom Time
Spring, Early summer
Planting Time
Spring, Autumn
Harvest Time
Late spring, Early summer, Mid summer
PLATES
Mercurialis ambigua leaf
PLATE 01 · leaf
Mercurialis ambigua leaf
PLATE 02 · leaf
Mercurialis ambigua flower
PLATE 03 · flower
Mercurialis ambigua flower
PLATE 04 · flower
Mercurialis ambigua fruit
PLATE 05 · fruit
Mercurialis ambigua fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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