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Herbaceous Perennial

Pilosella officinarum
  • RHS Plants for pollinators

mouse-ear hawkweed

A mat-forming perennial to about 20cm tall, with creeping stolons and a basal rosette of leaves greyish green and hairy above with downy, white felted undersides. Solitary yellow flowerheads, borne on leafless stems, are 2-3cm across with ray florets marked with a red stripe on the underside, produced in summer

Other common names
blood of St John
fellon herb
see morefelon herb
mouse ear
Synonyms
Hieracium pilosella var. nigrescens
Hieracium pilosella subsp. trichosoma
see moreHieracium pilosella
Hieracium velutinum
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn Yellow Green
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to the UK
Yes
Foliage
Semi evergreen
Habit
Matforming
Name status

Correct

How to grow

Cultivation

Naturally occurs on free-draining, short grassland

Propagation

Propagate by seed or by division

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

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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