Overview

Primula pulverulenta Bartley strain 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 pulverulenta Bartley strain 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 damp borders. It is native to China.

About

Primula pulverulenta Bartley strain is a clump-forming perennial in the Primulaceae with rosettes of crinkled, mealy leaves and erect flowering stems. Flowers appear from the basal rosettes and bloom February to June. It prefers partial shade on north, east or west-facing, sheltered sites and a fertile, humus-rich soil that remains reliably moist. Typical uses include bog gardens, streamside planting and damp borders.

Wikipedia contributors, CC BY-SA 4.0Primula pulverulenta

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 4.0Primula

In the garden

Primula pulverulenta Bartley strain is a rosette-forming perennial native to China, grown for its basal leaf rosettes which can be deciduous, semi-evergreen or evergreen and often show a mealy texture. Flowering takes place February to June when stems rise from the rosettes to bear clusters of blooms. Plant it where light is moderate: partial shade is best, with north, east or west-facing aspects preferred and protection from exposed, windy sites. Use a fertile, humus-rich loam with a neutral to slightly acid reaction; Asiatic primulas generally dislike lime. Keep soil reliably moist rather than letting it dry out, because the species performs poorly in sharply drained, drought-prone soils. Hardiness varies by group (H4–H7), so individual selections range from average-hardy to fully hardy and will survive outdoors across much of the UK when sited correctly. Place plants on the bank of a pond, beside a stream or at the back of a damp border where moisture is constant and the position is sheltered. These locations take advantage of the plant’s preference for consistently damp ground and let the basal rosettes remain healthy through the flowering season.

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 pulverulenta Bartley strain 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, damp borders
Native to
China

Care notes

Pruning and caring for Primula pulverulenta Bartley strain

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 pulverulenta Bartley strain?

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 pulverulenta Bartley strain?

Primula pulverulenta Bartley strain prefers partial shade; alpines and auriculas take more sun. It suits sheltered positions.

What soil does Primula pulverulenta Bartley strain need?

Primula pulverulenta Bartley strain 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 pulverulenta Bartley strain?

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 pulverulenta Bartley strain hardy in the UK?

Primula pulverulenta Bartley strain 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 pulverulenta Bartley strain?

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

Browse all Primula