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Herbaceous Perennial

Peucedanum verticillare

giant hog fennel

A large, sometimes short-lived perennial, up to around 2m high in flower, with stout, purple-tinted stems and divided, slightly blue-green leaves. Flat heads of small yellow-green flowers are borne on branching stems at the top of the plant in early to mid summer

Other common names
milky parsley

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Blue
Summer Yellow Green Green Blue
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Apiaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus

Peucedanum are predominantly herbaceous perennials, shrubs or rarely trees, with compound pinnate leaves and umbels of white, yellow or occasionally pink flowers

Name status

Correct

Plant range
S Europe

How to grow

Cultivation

Tolerates a range of soils as long as drainage is good; prefers part shade but will tolerate full sun

Propagation

Propagate by seed, sown in a cold frame in autumn for germination in spring

Suggested planting locations and garden types
  • Architectural
  • Cottage and informal garden
  • Wildflower meadow
  • Flower borders and beds
Pruning

No pruning required; deadhead after flowering if seed is not required

Pests

Generally pest-free

Diseases

Generally disease-free

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