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
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H7Botanical details
- Family
- Apiaceae
- Native to the UK
- 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
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.