Overview

Stilbocarpa polaris is a plant with a columnar upright habit in the genus Stilbocarpa, part of the Apiaceae family, with deciduous foliage. Stilbocarpa polaris grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, wildlife gardens and hedging and screens.

About

Stilbocarpa polaris is a deciduous, columnar upright plant belonging to the Apiaceae family. It thrives in full sun on a south-facing, sheltered aspect, preferring moist but well-drained loam soil with a neutral pH. Hardy to UK zone H3, it is suitable for a variety of garden settings including city and courtyard gardens, coastal areas, cottage and informal gardens, wildlife gardens, as well as hedging and screens. Interest is mainly in spring and summer, and cultivation involves planting in well-drained soil with watering during establishment. Propagation can be achieved through softwood cuttings, budding, or grafting.

Growing conditions

Best soil and position for Stilbocarpa

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Stilbocarpa polaris size, habit and characteristics

Habit
Columnar upright
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Coastal, Cottage and informal garden, Wildlife gardens, Hedging and screens

Care notes

Pruning and caring for Stilbocarpa polaris

Propagation
Softwood cuttings, Budding, Grafting
Pest resistance
Aphids, Scale insects, Pear blister mite, Red spider mite, Sawfly larvae
Disease resistance
Fireblight, Apple canker, Silver leaf, Honey fungus

Frequently asked questions

Where is the best place to plant Stilbocarpa polaris?

Stilbocarpa polaris prefers full sun. It suits sheltered positions.

What soil does Stilbocarpa polaris need?

Stilbocarpa polaris grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Stilbocarpa polaris hardy in the UK?

Stilbocarpa polaris 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 Stilbocarpa polaris?

Softwood cuttings, Budding, Grafting.