Black Garlic (Allium Nigrum) is a perennial bulb in the Amaryllidaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Allium nigrum is a perennial ornamental onion known for its large, white to pale lilac flower clusters that form flat-topped umbels.

Black Garlic

Black Garlic

Allium Nigrum

Allium nigrum is a perennial ornamental onion known for its large, white to pale lilac flower clusters that form flat-topped umbels.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
5-9

Safety

⚠️
Not Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained
Indoor:No
Outdoor:Yes
Garden Use:ornamental, cut flower, pest deterrent

Care Calendar

Monthly care tasks for Black Garlic

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

Black Garlic
Black Garlic detail

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Taxonomy

Family:Amaryllidaceae
Genus:Allium