Primula frondosa (Al)

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leafy primrose

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leafy primrose RHS
leafy primrose Copyrighted 2003
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Alpine Rockery Herbaceous Perennial
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An herbaceous perennial to 20cm in height, forming a rosette of narrowly obovate or spoon-shaped leaves, white-farinose beneath. Yellow-eyed, lilac-pink flowers 1.5cm in width are borne in umbels

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Primulaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
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
Correct
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Farinosae section primulas are rosette-forming perennials, usually with powdery farina on the leaves or flower stems, with narrowly oblanceolate leaves and a simple umbel of lilac, pink or purple flowers with deeply notched corolla lobes
Plant Range
Balkans

How to Grow

Cultivation

Good for boggy conditions or waterside borders in sun or partial shade

Propagation

Propagate by seed, root basal cuttings or take root cuttings when dormant

Suggested planting locations and garden types

  • Rock garden

Pruning

No pruning required

Pests

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

Diseases

May be susceptible to a leaf spot and grey moulds