Primula munroi subsp. yargongensis (Ar)

RHS

Synonyms

Primula yargongensis, Primula involucrata subsp. yargongensis

Bogs Herbaceous Perennial

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A rosette-forming, deciduous perennial with mid-green leaves up to 6in long. In late spring and early summer produces small clusters of scented, lilac-pink flowers on upright stems

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
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: North–facing or East–facing or South–facing or West–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): H7

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Primulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
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: Primula armerina have smooth, hairless, spoon-shaped foliage that do not have the powdery coating ('farina') that some species have
Plant Range: E Himalaya

How to Grow

Cultivation

Grow in partial shade in deep, humus-rich, moist neutral to acid soil. Will tolerate sun if soil remains moist at all times

Propagation

Propagate by seed in containers in a frame as soon as ripe or in late winter or in early spring or by division in early spring

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

Cut down after flowering

Pests

May be susceptible to aphids, caterpillars, slugs and vine weevil

Diseases

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