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Herbaceous Perennial

Jacobaea paludosa

fen ragwort

An herbaceous perennial with a stiff, upright habit that grows up to 2m tall. It has green, lance-shaped leaves that are sharply toothed with a greyish felted underside. It produces clusters of yellow flowers with a classic daisy-like appearance from June to August

Other common names
marsh groundsel
bird's tongue
Synonyms
Senecio paludosus
Senecio palludosus
Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Yellow Green Grey Silver
Autumn Green Grey Silver
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to GB / Ireland
Yes
Foliage
Deciduous
Habit
Columnar upright
Genus

A genus of around 35 species of native, flowering biennial or perennial herbaceous plants, previously grouped as Senecio and more commonly known as Ragwort. Stems are upright, foliage pinnate and lobed and clusters of flowers bright yellow and daisy-like in appearance. Although primarily known as being toxic to horses and cattle, it is also a valuable food source for pollinators

Name status

Correct

Plant range
W & C Europe

How to grow

Cultivation

Grow in permanently moist soil in a sunny location or in water at pool margins. See Creating wildflower meadows for further advice

Propagation

Propagate by sowing seeds outdoors or divide in spring

Suggested planting locations and garden types
  • Wildflower meadow
  • Wildlife gardens
Pruning

Minimal pruning required, for more information see cutting back herbaceous perennials

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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