Primula Candelabra hybrids (Pf) | primrose Candelabra hybrids

Synonyms

Primula candelabra 'Rainbows'
Primula candelabra 'Rainbow Mix'
Primula candelbra 'Plant World Rainbows'
Primula Candelabra mixed

Bogs Herbaceous Perennial

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Candelabra hybrids are proliferae section primulas where the exact parentage is unknown. They are herbaceous perennials with leaves in basal rosettes, and flowerheads with layered whorls of flowers in shades of pink, red, purple, yellow, orange, or white in late spring and early summer

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Clay Loam

Moisture: Poorly–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: South–facing or East–facing or North–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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Primulaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
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: Proliferae section primulas are moisture-loving herbaceous or semi-evergreen perennials forming a rosette of basal leaves, with erect stems each carrying several whorls of salver-shaped flowers

How to Grow

Cultivation

Grow in deep, humus-rich, moist, neutral to acid soil, in partial shade; tolerates full sun if soil remains moist at all times

Propagation

Propagate by division in spring

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

No pruning required, but can be cut back after flowering

Pests

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

Diseases

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