Potentilla 'William Rollison' (Cinquefoil) — shrub

Overview

Potentilla 'William Rollison' is a shrub in the genus Potentilla, part of the Rosaceae family. Potentilla 'William Rollison' grows best in full sun and partial shade, and tolerates well-drained soils. Its UK hardiness is rated H5. Suggested uses include borders, hedging and ground cover.

About

Potentilla 'William Rollison' is a named Potentilla selection in the rose family (Rosaceae) that produces flowers in the UK from June to September. It is one of the garden selections within the Potentilla group and should be identified by its cultivar name. Specific flower colour, leaf habit and hardiness can vary between labelled plants, so consult the supplier for precise details. The cultivar's reliable summer flowering is its most easily confirmed trait.

About the genus

Potentilla is a genus containing over 500 species of annual, biennial and perennial herbaceous flowering plants in the rose family, Rosaceae.

Wikipedia contributors, "Potentilla", CC BY-SA 4.0 — Potentilla

In the garden

Potentilla 'William Rollison' is a named cultivar of the Potentilla group, listed in the rose family (Rosaceae). The defining, verifiable feature for UK gardeners is its flowering window: specimens produce blooms from June to September. Beyond the flowering season, attributes such as exact flower colour, foliage form and winter hardiness are properties tied to the particular nursery stock and should be checked on the plant label or with the supplier. For planting and siting, rely on the provenance information that comes with the purchased plant. Cultivar labels and nursery care notes remain the correct source for recommended aspect, soil type and winter protection where necessary. If sourcing from different suppliers, compare labels to confirm whether the plant's growth habit and culture meet your intended use. In a practical garden context, plan around the June–September flowering period: use Potentilla 'William Rollison' where a steady summer display is required and combine it with other plants that flower earlier or later to extend interest. When assessing specimens, base decisions on the labelled plant details rather than assumptions about the genus as a whole. Expect a clear flowering run from June to September on correctly named plants.

Growing conditions

Best soil and position for Potentilla

Sunlight: full sun, partial shade
Soil type: well-drained
Soil moisture: moist
Exposure: sheltered, exposed
UK hardiness: H5

Plant details

Potentilla 'William Rollison' size, habit and characteristics

Plant type: shrub
Suggested uses: borders, hedging, ground cover

Care notes

Pruning and caring for Potentilla 'William Rollison'

Cultivation: Prefers well-drained soil and full sun to partial shade. Tolerant of a range of soil types. Regular watering during dry periods.
Pruning: Prune in early spring to maintain shape and encourage new growth.
Propagation: Propagation by semi-ripe cuttings in summer or by division in spring.

Frequently asked questions

How do I grow Potentilla 'William Rollison'?

Prefers well-drained soil and full sun to partial shade. Tolerant of a range of soil types. Regular watering during dry periods.

Where is the best place to plant Potentilla 'William Rollison'?

Potentilla 'William Rollison' prefers full sun and partial shade. It suits sheltered and exposed positions.

What soil does Potentilla 'William Rollison' need?

Potentilla 'William Rollison' grows best in well-drained soil. Aim for soil that stays moist.

How do I prune Potentilla 'William Rollison'?

Prune in early spring to maintain shape and encourage new growth.

Is Potentilla 'William Rollison' hardy in the UK?

Potentilla 'William Rollison' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Potentilla 'William Rollison'?

Propagation by semi-ripe cuttings in summer or by division in spring.

More in the Potentilla genus

Browse all Potentilla →