Limber Pine (Pinus flexilis)


Pinus flexilis, commonly known as the Limber Pine, is a species of pine tree native to the mountainous wilderness of the western United States and Canada. It grows mainly in the Rocky Mountains and can be found from southwestern Alberta, Canada, into the northern states of Mexico. It is located at a wide range of altitudes depending on the latitude, from 850 to 3,810 m. In the northern half of its range, it grows in the montane zone near the lower tree line. In temperate latitudes, it grows on windswept sites in the montane and alpine zones, and in the southern part of its range, it grows mainly at high elevations in the subalpine zone near the upper tree line. It can more often be found at the outer fringes of a forest than in the forest itself.

Here is some helpful information for growing this plant:

Tree Height and Spread: Pinus flexilis is a medium to large-sized tree that typically grows to a height of 12 to 18 meters and a spread of 6 to 8 meters. It has a rounded crown and an open, spreading growth habit. The Limber Pine is long-lived, can live for several centuries, and is known for its twisted and gnarled branches.

Preferred Soil Type: Pinus flexilis prefers well-drained, deep soils rich in organic matter. It can tolerate various soil textures but thrives best in sandy, loamy, and rocky soils. It grows best in soils that are slightly acidic to neutral, with a pH range of 6.0 to 7.5. It is important to avoid planting this tree in compacted soils, poorly drained, or prone to flooding.

Soil pH: Pinus flexilis prefers slightly acidic soils to neutral soils, with a pH range of 6.0 to 7.5. It can tolerate slightly alkaline soils, but it will not grow well in highly acidic or alkaline soils. It is essential to monitor the soil pH and adjust as needed to maintain the appropriate conditions for growth.

Light Requirements: Pinus flexilis is a plant that requires full sun to thrive. It will not perform well in shaded areas or less than 6 hours of direct sunlight per day. It may benefit from some protection from the hottest part of the day in areas with hot summers.

Water Requirements: Pinus flexilis is a drought-tolerant plant that can survive with little water once established. However, it will perform best if it receives regular watering during the growing season. Watering the tree deeply and infrequently is essential rather than giving it frequent shallow watering. This will encourage the roots to grow deep and help to prevent the soil from becoming waterlogged.

Fertiliser Requirements: Pinus flexilis is a plant that does not require much fertiliser. It can be fertilised once or twice yearly with a balanced, slow-release fertiliser. However, over-fertilisation can lead to excessive growth and reduced stress tolerance. It is best to avoid fertilising the plant during winter when growth is slow.

Pruning Requirements: Pinus flexilis requires little pruning, but it may benefit from occasional pruning to maintain its shape and remove any dead or diseased branches. Pruning should be done in the early spring before the tree begins to put out new growth.

Pests and Diseases: Pinus flexilis is a relatively pest-free tree. However, it can be susceptible to scale, aphids, borers, sawflies, beetles and other pests if it is stressed due to drought or other factors. To prevent this problem, providing adequate water and avoiding over-fertilisation is vital. Limber pine can also be susceptible to rust, Phytophthora Rot and fungal issues, which can be controlled through proper pruning soil and water management.

In conclusion, Pinus flexilis is a hardy, attractive tree well-suited to various growing conditions. Proper care can provide a beautiful, long-lived addition to the landscape for many years to come. By providing well-drained soil, full sunlight and avoiding over-fertilisation, you can help your limber pine tree thrive and provide a beautiful and natural addition to your property.




3 kg


75 × 14 × 10 cm

Container size


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Alpine , Cold , Continental , Cool Temperate , Inland , Mediterranean , Warm Temperate


Best Sellers , Bird Attracting , Christmas Tree , New Arrivals , Pine Cones , Plants , Rare in Cultivation , Scented , Seeds , Wildlife Attracting

Flower Colour

Green / Brown

Foliage Colour

Dark Green , Green

Garden Style

Bonsai , Conifer , Informal , Large Garden , Mediterranean , Minimalist , Mixed Native – Ornamental , Modern , Ornamental , Traditional , Woodland

Growth Type

Large Tree

pH Range

5.5 , 6 , 6.5

Plant Height

15 to 20 metres

Plant Origin

Canada , North America , Southwestern United States , United States , Western Canada , Western North America , Western United States

Plant Spread

5 to 6 metres , 6 to 7 metres , 7 to 8 metres

Plant Use

Bird / Wildlife attracting , Bonsai , Foliage / Cut Flowers , Fragrance , Large Garden , Ornamental , Screen Planting , Shade , Windbreak

Soil Type

Clay , Fertile , Loam , Poor Soil , Sand , Silt , Well Drained


Full Sun , Partial Sun


Drought Tolerant , Frost Hardy (Below -10C) , Frost Tolerance (Below 0C to -9C) , Sun Tolerant


Aussie Natives , Christmas Tree , Conifer , North American Conifers , Rare Plants

Water Requirements

Drought Hardy , Drought Tolerant , Low Water Requirement , Medium Water Requirement


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