Overview

Pimpinella rubra is a bushy annual biennial in the genus Pimpinella, part of the Apiaceae family, with deciduous foliage. Pimpinella rubra grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H3. Suggested uses include patio and container plants.

About

Pimpinella rubra is a bushy annual or biennial cultivar within the Pimpinella genus, known for its simple or pinnately divided foliage and branched clusters of small flowers. This deciduous plant thrives in full sun and suits south- or west-facing aspects, tolerating both exposed and sheltered conditions. It prefers fertile, moist but well-drained soils of various types and pH levels. Hardy to UK zone H3, it is ideal for patio and container planting. Propagation is best by seed sown in situ after frost risk has passed, as the plant dislikes root disturbance. Its season of interest spans summer and autumn.

Growing conditions

Best soil and position for Pimpinella

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H3

Plant details

Pimpinella rubra size, habit and characteristics

Plant type
Annual Biennial
Habit
Bushy
Foliage
Deciduous
Suggested uses
Patio and container plants

Care notes

Pruning and caring for Pimpinella rubra

Propagation
Propagate by seed, ideally sown in situ after risk of frosts has passed, as plants dislike transplanting and root disturbance. In areas where the season is not long enough for seeds to ripen, plants may be started under glass in individual pots, though it is best to sow extra to allow for losses in planting out
Pest resistance
May be susceptible to aphids, slugs, snails and mice
Disease resistance
May be susceptible to powdery mildews and downy mildews

Frequently asked questions

Where is the best place to plant Pimpinella rubra?

Pimpinella rubra prefers full sun. It suits exposed and sheltered positions.

What soil does Pimpinella rubra need?

Pimpinella rubra is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.

Is Pimpinella rubra hardy in the UK?

Pimpinella rubra has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.

How do I propagate Pimpinella rubra?

Propagate by seed, ideally sown in situ after risk of frosts has passed, as plants dislike transplanting and root disturbance. In areas where the season is not long enough for seeds to ripen, plants may be started under glass in individual pots, though it is best to sow extra to allow for losses in planting out.