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Herbaceous PerennialBogs

Primula denticulata 'Rubin' (De)

drumstick primula 'Rubin'

Leaves form an attractive rosette of green leaves, while stout stems bear beautiful spherical clusters of cerise flowers in spring

Synonyms
Primula denticulata 'Rubin Auslese'
Primula denticulata ruby
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Green
Summer Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Primulaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Clump forming
Genus

Primula are herbaceous or semi-evergreen perennials, forming a basal rosette of simple leaves, with salver-shaped or bell-shaped flowers which may be solitary or carried in an umbel or in whorls on an erect stem

Name status

Accepted

Horticultural Group
Denticulatae primulas have upright, toothed leaves and drumstick-shaped flowers on tall, slender stems which are most commonly purple, but also come in shades of white, blue, pink or red

How to grow

Cultivation

Grow in moist but well-drained neutral to acid, humus-rich soil in full sun or partial shade

Propagation

Propagate by division after flowering or take root cuttings when dormant

Suggested planting locations and garden types
  • Cottage and informal garden
  • Rock garden
  • Flower borders and beds
Pruning

No pruning required but you can deadhead after flowering

Pests

May be susceptible to aphids, vine weevil, slugs, leaf and bud eelworms, leaf-mining flies and glasshouse red spider mite

Diseases

May be susceptible to primula leaf spot, primula brown core and grey moulds

Get involved

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