Round-headed Leek (Allium Sphaerocephalon) is a perennial bulb in the Amaryllidaceae family with easy care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 4-8. This plant is safe for cats and dogs.

Allium sphaerocephalon is a bulbous perennial known for its distinctive round, dense flower heads that resemble drumsticks, blooming in early to mid-summer.

Round-headed Leek

Round-headed Leek

Allium Sphaerocephalon

Allium sphaerocephalon is a bulbous perennial known for its distinctive round, dense flower heads that resemble drumsticks, blooming in early to mid-summer.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun
Hardiness Zones
4-8

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:ornamental, cut flower, pollinator attractor

Care Calendar

Monthly care tasks for Round-headed Leek

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

Round-headed Leek
Round-headed Leek detail

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Taxonomy

Family:Amaryllidaceae
Genus:Allium