Stiff Onion (Allium Strictum) is a perennial bulb in the Amaryllidaceae family with moderate care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 3-7. This plant is safe for cats and dogs.

Allium strictum is a perennial bulbous plant native to Central Europe and Mongolia, known for its pink flowers and narrow flat leaves.

Stiff Onion

Stiff Onion

Allium Strictum

Allium strictum is a perennial bulbous plant native to Central Europe and Mongolia, known for its pink flowers and narrow flat leaves.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun
Hardiness Zones
3-7

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Stiff Onion

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

Stiff Onion
Stiff Onion detail

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Taxonomy

Family:Amaryllidaceae
Genus:Allium