Overview

Pinus monticola is a bushy conifers in the genus Pinus, part of the Pinaceae family, with evergreen foliage. Pinus monticola grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include architectural, city and courtyard gardens, coastal and cottage and informal garden.

About

Western white pine (Pinus monticola), also called silver pine and California mountain pine, is a species of pine in the family Pinaceae. It occurs in mountain ranges of northwestern North America and is the state tree of Idaho. Grow it in full sun and most soil types. In UK gardens it is fully hardy throughout the UK (RHS H7). It works well for architectural, city and courtyard gardens, coastal and cottage and informal garden. It tolerates soil of any pH, well-drained conditions and south-facing and west-facing aspects. Well-drained, preferably acidic soil in full sun. Most pines are very drought-tolerant once established.

Wikipedia contributors, CC BY-SA 4.0Western white pine

Growing conditions

Best soil and position for Pinus

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Pinus monticola size, habit and characteristics

Plant type
Conifers
Habit
Bushy
Foliage
Evergreen
Suggested uses
Architectural, City and courtyard gardens, Coastal, Cottage and informal garden

Care notes

Pruning and caring for Pinus monticola

Propagation
Propagate by grafting
Pest resistance
May be susceptible to adelgids, aphids, pine sawfly and pine shoot moth
Disease resistance
May be susceptible to honey fungus and needle cast diseases

Frequently asked questions

Where is the best place to plant Pinus monticola?

Pinus monticola prefers full sun. It suits exposed and sheltered positions.

What soil does Pinus monticola need?

Pinus monticola 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 well-drained.

Is Pinus monticola hardy in the UK?

Pinus monticola has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Pinus monticola?

Propagate by grafting.

More in the Pinus genus

Browse all Pinus