Overview
Primula prolifera is a rosette-forming, clump-forming perennial in the genus Primula, part of the Primulaceae family, with deciduous, semi-evergreen or evergreen; rosettes of crinkled or mealy leaves foliage. Primula prolifera grows best in partial shade; alpines and auriculas take more sun, and tolerates fertile humus-rich loam; alpine kinds need gritty free-draining soil soils and neutral to slightly acid; asiatic species dislike lime pH. Its UK hardiness is rated H4-H7 depending on group. Suggested uses include bog gardens, streamside planting and moist woodland gardens. It is native to E Himalaya to Indonesia.
About
Primula prolifera is a perennial candelabra primrose that forms rosettes of crinkled or mealy leaves and produces fragrant flowers from February to June. Plants are rosette-forming and clump-forming, and leaf retention ranges from deciduous to evergreen. It favours sheltered, north-, east- or west-facing spots and needs reliably moist, humus-rich soil unless you are growing alpine types. Hardiness ranges from H4 to H7, according to group.
Wikipedia contributors, CC BY-SA 4.0 — Primula prolifera
About the genus
Primula is a genus of herbaceous flowering plants in the family Primulaceae. They include the primrose, a familiar wildflower of banks and verges. Other common species are P.
Wikipedia contributors, "Primula", CC BY-SA 4.0 — Primula
In the garden
Primula prolifera is a perennial native from the eastern Himalaya through to Indonesia and is cultivated for its scented flowers that appear February to June. The plant grows as clumps of basal rosettes with crinkled or mealy leaves; foliage may be deciduous, semi-evergreen or evergreen depending on provenance. Flowering stems arise from these rosettes and carry the scented blooms in the spring months. Choose a sheltered position with partial shade — north-, east- or west-facing exposures are preferred — and provide a fertile, humus-rich loam for the candelabra and woodland types. Soil should be neutral to slightly acid; Asiatic group plants dislike lime. Keep planting positions reliably moist for bog and woodland forms. Alpine-related Primula prolifera need a much sharper, gritty, free-draining mix and greater sun than their woodland cousins. Hardiness varies by group from H4 to H7 (average to fully hardy), so check provenance when selecting plants for exposed sites. Use candelabra primrose at pond edges, in bog gardens or alongside shaded streams where soil remains moist; the scented flowers from February to June make it valuable for early-season fragrance in damp shade.
Growing conditions
Best soil and position for Primula
- Sunlight
- Partial shade; alpines and auriculas take more sun
- Soil type
- Fertile humus-rich loam; alpine kinds need gritty free-draining soil
- Soil pH
- Neutral to slightly acid; Asiatic species dislike lime
- Soil moisture
- Reliably moist for candelabra and woodland kinds; sharply drained for alpines
- Aspect
- North, east or west facing
- Exposure
- Sheltered
- UK hardiness
- H4-H7 depending on group
Plant details
Primula prolifera size, habit and characteristics
- Plant type
- Perennial
- Habit
- Rosette-forming, clump-forming
- Foliage
- Deciduous, semi-evergreen or evergreen; rosettes of crinkled or mealy leaves
- Suggested uses
- bog gardens, streamside planting, moist woodland gardens
- Native to
- E Himalaya to Indonesia
- Fragrance
- Flower
Care notes
Pruning and caring for Primula prolifera
- Cultivation
- Match the group to the site and these are easy plants; ignore the distinction and they are short-lived. Candelabra and sikkimensis types want ground that never dries, so a streamside or bog garden suits them perfectly, while auriculas and the alpine species need gritty compost, protection from winter rain, and are traditionally grown in pots in an open frame. Woodland primulas ask for nothing more than leaf mould and dappled shade.
- Pruning
- No pruning required. Deadhead to prevent self-seeding where it is not wanted, and remove dead outer leaves from the rosettes to reduce rot.
- Propagation
- Divide after flowering, ideally every second or third year, as congested rosettes decline. Seed germinates best sown fresh and given a cold period, and many species self-sow freely.
- Pest resistance
- Vine weevil is the principal enemy, especially in pots, along with slugs, aphids and red spider mite under glass.
- Disease resistance
- Prone to grey mould and crown rot in stagnant damp. Primula brown core, a root rot, causes gradual decline in long-established plantings.
Frequently asked questions
How do I grow Primula prolifera?
Match the group to the site and these are easy plants; ignore the distinction and they are short-lived. Candelabra and sikkimensis types want ground that never dries, so a streamside or bog garden suits them perfectly, while auriculas and the alpine species need gritty compost, protection from winter rain, and are traditionally grown in pots in an open frame. Woodland primulas ask for nothing more than leaf mould and dappled shade.
Where is the best place to plant Primula prolifera?
Primula prolifera prefers partial shade; alpines and auriculas take more sun. It suits sheltered positions.
What soil does Primula prolifera need?
Primula prolifera grows best in fertile humus-rich loam; alpine kinds need gritty free-draining soil soil. It prefers neutral to slightly acid; asiatic species dislike lime soil. Aim for soil that stays reliably moist for candelabra and woodland kinds; sharply drained for alpines.
How do I prune Primula prolifera?
No pruning required. Deadhead to prevent self-seeding where it is not wanted, and remove dead outer leaves from the rosettes to reduce rot.
Is Primula prolifera hardy in the UK?
Primula prolifera has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Primula prolifera?
Divide after flowering, ideally every second or third year, as congested rosettes decline. Seed germinates best sown fresh and given a cold period, and many species self-sow freely.
More in the Primula genus
- Primula aurantiaca
- Primula burmanica
- Primula helodoxa
- Primula microdonta
- Primula waltonii
- Primula 'Asthore Hybrids'
- Primula 'Devon Cream'
- Primula 'Ravenglass Vermilion'
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