Overview

Polygala alpina is a trailing, bushy, dwarf, mat-forming shrubs in the genus Polygala, part of the Polygalaceae family, with evergreen foliage. Polygala alpina grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, rock garden, wildlife gardens and banks and slopes.

About

Polygala alpina is a cultivar of the Polygala genus, which includes various shrubs known for their simple leaves and pea-like racemes of flowers. This evergreen shrub has a trailing, bushy, dwarf, and mat-forming habit, making it suitable for rock gardens, wildlife gardens, and informal or cottage garden settings. It thrives in full sun or partial shade and prefers fertile, well-drained soils such as chalk, loam, or sand, with a pH that can be acid, alkaline, or neutral. Hardy to UK zone H5, it is best grown in exposed or sheltered east, south, or west-facing aspects and is of interest during spring and summer.

About the genus

Polygala is a large genus of flowering plants belonging to the family Polygalaceae. They are commonly known as milkworts or snakeroots. The genus is distributed widely throughout much of the world in temperate zones and the tropics.

Wikipedia contributors, "Polygala", CC BY-SA 4.0Polygala

Growing conditions

Best soil and position for Polygala

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Polygala alpina size, habit and characteristics

Plant type
Shrubs
Habit
Trailing, Bushy, Dwarf, Mat-forming
Foliage
Evergreen
Suggested uses
Cottage and informal garden, Rock garden, Wildlife gardens, Banks and slopes

Care notes

Pruning and caring for Polygala alpina

Propagation
Seed, Division
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Polygala alpina?

Polygala alpina prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Polygala alpina need?

Polygala alpina is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Polygala alpina hardy in the UK?

Polygala alpina 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 Polygala alpina?

Seed, Division.

More in the Polygala genus

Browse all Polygala