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  Living at high altitudes can present a whole host of challenges to the even the most experienced gardener. Not all plants grow in the mountains, and even many hardy evergreen shrubs can succumb to the chilly temperatures and high winds. Fortunately there are plenty of small evergreens that do well in the mountains as long as the altitude is below 10,000 feet, according to DenverPlants.com.
  
  

Buffalo Juniper

• This extremely resilient evergreen shrub can survive at altitudes up to 9500 feet, says DenverPlants.com. A buffalo juniper (juniperus sabina) is approximately eight feet wide and 12 inches tall. These plants feature bright green leaves and light, feather-like branches. In addition to high altitudes, buffalo junipers can tolerate hot, dry climates and require very little maintenance once established. Bufalo junipers grow in USDA hardiness zones 4 to 7 and soils with pH ranging from 5.5 to 8.5.
  
  

Mugo Pine

• Native to the alpine regions of Europe, mugo pine or Swiss mountain pine are hardy to roughly 9,000 feet. These small evergreens grow between four and ten feet tall and have one to two inch-long dark green needles. Mugo pines require full sun but will tolerate freezing as long as the roots are protected. USDA hardiness zones for the mugo pine are 2 to 7. Mugo pine is very resilient but is susceptible to a few pests, namely the pine sawfly, bark beetle, spruce mites and pine weevils.
  
  

Oregon Grape Holly

• Oregon grape holly is a small evergreen shrub whose natural range extends from northern California to British Columbia. This plant is hardy up to 7,500 feet and keeps its foliage all year long. Oregon grape holly typically grows between five and six feet tall and produces sharp, dark green leaflets that are around two inches long. Despite its name, the Oregon grape holly is neither a holly nor a grape but rather a type of barberry plant. This plant does best in partial shade but can survive in full sun if properly irrigated.
  
  

Golden Vicary Privet

• Golden vicary privet is a mountain evergreen shrub that grows at altitudes as high was 7,500 feet. When mature, this plant stands between six and 12 feet tall and between 8 and 10 feet wide. If planted in full sun the golden vicary privet produces bright golden yellow leaves, though in partial shade the leaves will remain green. In order to thrive golden vicary privets need moist, well-drained soil. The USDA hardiness zone range for this plant is 5 to 8.