• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Foeniculum vulgare 'Purpureum'

Bronze fennel

Bronze fennel

© � RHS

  • Other common names Bronze fennel
    Purple leaf fennel

  • Genus Foeniculum is a large biennial or perennial with aromatic, finely dissected leaves and umbels of small yellow flowers, followed by aromatic fruits

  • Family Apiaceae / Apiaceae

  • Species 'Purpureum' is an upright, clump-forming perennial to 1.8m, with finely divided foliage which is purple when young, later grey-green; flat heads of tiny yellow flowers appear in summer


  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Leaf



  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in moist, fertile soil. Can be invasive if flowers are allowed to set seed. If grown with other foliage colour forms then they will readily hybridise, resulting in inferior plants

Propagation Propagate by seed

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning No pruning required

Pests Can get aphids

Diseases Generally disease resistant

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