Plant encyclopedia›glaucous giant fennel

glaucous giant fennel

Also known as: Information to be completed

A robust perennial, 3-4m high in flower, forming a mound of aromatic, finely divided leaves that are bright green above and silvery beneath. Stout, branching grey-green stems, often flushed with purple, bear many rounded clusters of small yellow flowers in early to mid summer

Scientific classification

Species: glaucous giant fennel (Ferula communis subsp. glauca)
Genus: Ferula
Family: Apiaceae

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Toxicity: Herbaceous Perennial
Plant type: 2.5-4 metres
Height: 0.5-1 metres
Spread: Deciduous
Foliage: Columnar upright
Habit: Spring · Summer · Autumn
Season of interest: Full sun
Sunlight: Information to be completed
Ideal temperature

glaucous giant fennel pictures

Distribution of glaucous giant fennel

Distribution map

Med. to Arabian Pen.

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Culture

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Toxicity

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Quick identification of glaucous giant fennel

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glaucous giant fennel care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering: Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Moderate regular watering, allowing brief slight drying between soakings

Fertilizing

Balanced perennial feed every four weeks from spring through summer

Pruning

To enhance foliage, remove flowering stems as soon as they appear, or after blooming if seed is not required

Propagation

Propagate by seed, sown in pots in a cold frame as soon as ripe. Prick out seedlings into deep pots to allow tap root to develop

Growing

Grow in fertile, well-drained soil in full sun; protect with a dry, bracken mulch in winter. May take some years to flower. Plants sometimes die after seeding

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