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Primula obconica 'Libre Magenta' (Ob)

German primrose 'Libre Magenta'

'Libre Magenta' is a short-lived perennial to 20cm in height with light green, rounded leaves and clusters of vivid cerise-red flowers 4.5cm across, with greenish eyes

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or East–facing

Exposure

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)

Botanical details

Family: Primulaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
Potentially harmful: CAUTION skin allergen. Wear gloves or other protective equipment when handling
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

How to grow

Cultivation

Grow in a cool or temperate greenhouse or as a houseplant. Position in bright filtered light. In growth water freely

Propagation

Propagate by seed or division in autumn and early spring

Suggested planting locations and garden types

Patio and container plants
Low Maintenance

Pruning

Cut back after flowering

Pests

May be susceptible to aphids, vine weevils, slugs and glasshouse red spider mite

Diseases

May be susceptible to primula brown core and grey moulds

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