Overview

Saponaria officinalis 'Roseo Plena' is a perennial in the genus Saponaria, part of the Caryophyllaceae family. It typically grows around 1.0 m tall. Saponaria officinalis 'Roseo Plena' grows best in full sun, and tolerates most soils. Its UK hardiness is rated H7. Suggested uses include borders and cottage gardens. It is native to Europe and Western Asia.

About

Saponaria officinalis 'Roseo Plena' is a perennial from the Caryophyllaceae grown for its summer flowering and mild, sweet scent. It reaches about 1.0 m and flowers from June to September. Plant in full sun on moist but well-drained sandy, loamy or clay soils. It is fully hardy in the UK (H7).

Wikipedia contributors, CC BY-SA 4.0 — Saponaria officinalis

About the genus

Saponaria is a genus of flowering plants in the family Caryophyllaceae. It is usually characterized by pink or white flowers.

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

In the garden

Saponaria officinalis 'Roseo Plena' is a perennial native to Europe and western Asia, valued for its summer display and a mild, sweet fragrance. It normally reaches around 1.0 m and produces its blooms from June to September. The cultivar name indicates a garden selection within the soapwort group in the Caryophyllaceae. Give it a sunny position and soils that remain moist but drain freely — it will tolerate sandy, loamy or clay textures provided water does not lie around the roots. Exposure in full sun suits it best; in UK terms the plant is H7, fully hardy, and corresponds roughly to USDA zones 4–8, so it withstands typical winter conditions across Britain. Avoid waterlogged hollows to reduce risk of root problems. Use Saponaria officinalis 'Roseo Plena' in mixed borders and cottage-style plantings where its summer flowering can integrate with other perennials. Its height makes it useful towards the centre or rear of a border. The mild, sweet scent becomes most noticeable on warm evenings while the June–September display is at its height.

Growing conditions

Best soil and position for Saponaria

Sunlight

Full sun

Soil type

Sandy, Loamy, Clay

Soil moisture

Moist but well-drained

Exposure

Full sun

UK hardiness

H7

Plant details

Saponaria officinalis 'Roseo Plena' size, habit and characteristics

Plant type

Perennial

Height

1.0 m

Suggested uses

Borders, Cottage gardens

Native to

Europe, Western Asia

Fragrance

Mild, sweet

Care notes

Pruning and caring for Saponaria officinalis 'Roseo Plena'

Cultivation

Prefers moist, well-drained soil; tolerates a range of soil types; deadhead to prolong flowering

Pruning

Cut back after flowering to maintain shape and encourage fresh growth

Propagation

Division in spring or autumn; seed

Frequently asked questions