Giant Fennel (Ferula Communis) is a perennial herb in the Apiaceae family with moderate care difficulty. It requires low watering and full sun light in USDA hardiness zones 8-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Ferula communis, commonly known as giant fennel, is a perennial flowering plant in the Apiaceae family, related to common fennel.

Giant Fennel

Giant Fennel

Ferula Communis

Ferula communis, commonly known as giant fennel, is a perennial flowering plant in the Apiaceae family, related to common fennel.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun
Hardiness Zones
8-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, loamy, gravelly
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Giant Fennel

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

Giant Fennel
Giant Fennel detail

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Taxonomy

Family:Apiaceae
Genus:Ferula