UK Flowers: Herbs, Shrubs, Vines & Trees
UK Flowers

UK Giant Fennel

Herb Icon Cultivated Flower     Edible Symbol  Toxic
Image of Giant Fennel
Ferula communis
Family: Apiaceae

Flower Properties

Property Value
English Name Giant Fennel
Scientific Name Ferula communis
MainColor Yellow
PlantType Herb Icon Herb
Distribution Cultivated Flower Cultivated
Season Found May (May - Jul)
ImageUrl Ferula-001
Photographer DP
Location Found Abbots Langley
Country Found UK
Last Updated 16 September 2026
Photo Quality B

Flower Details

Description

Giant Fennel is a tall perennial herb that can grow up to 3 metres in height. It features large, umbrella-like clusters of small yellow flowers and thick, hollow stems. The plant emits a strong, aromatic scent when crushed.

Distribution

Native to the Mediterranean region, it thrives in dry, rocky soils and can often be found in open fields and along roadsides.

Medicinal/Other Uses

— No significant medicinal uses.

Edibility Edible Symbol  

Caution Advised - contains compounds that can be toxic if ingested.

Human Toxicity Toxic
Toxic Highly_Toxic

Highly Toxic - ingestion can lead to severe gastrointestinal distress and potentially fatal respiratory issues.

Pet Toxicity Pet Toxicity

Highly Toxic to dogs and cats - ingestion can cause vomiting, diarrhoea, and central nervous system depression.

Active Compounds

Ferulenol, ferulic acid, umbelliferone

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