Tree Library

Concolor Fir

Concolor fir is a popular evergreen valued for its soft blue-green needles, symmetrical shape, and strong visual appeal. It can perform well in Colorado landscapes when given proper spacing, consistent moisture during establishment, and protection from prolonged drought and heat stress

Quick specifications

Mature Height
60–80 ft
Mature Spread
25–35 ft
Growth Rate
Moderate
Sun
Full sun to light shade
Water
Moderate irrigation—avoid both drought stress and overwatering
Soil
Requires well-drained soils; avoid heavy, wet clay pockets
Hardiness
80–120+ years with proper site conditions
Genus
Fir (Abies)

Identification

  • concolor fir tree

    Species

  • concolor fir buds

    Bud

  • concolor fir

    In the field

Overview

Concolor fir is a popular evergreen valued for its soft blue-green needles, symmetrical shape, and strong visual appeal. It can perform well in Colorado landscapes when given proper spacing, consistent moisture during establishment, and protection from prolonged drought and heat stress

Key Characteristics

  • Mature Size: 60–80 ft tall | 25–35 ft wide
  • Growth Rate: Moderate
  • Form: Narrow pyramidal evergreen with soft texture
  • Needles: Long, soft blue-green needles with citrus scent
  • Lifespan: 80–120+ years with proper site conditions

Colorado Growing Conditions

More tolerant of heat and drought than many fir species

Performs well in Front Range climates when sited correctly

Softer needles make it a good choice near living spaces• Attractive year-round color and form

Planting Considerations

  • Full sun to light shade
  • Requires well-drained soils; avoid heavy, wet clay pockets
  • Moderate irrigation—avoid both drought stress and overwatering
  • Best performance in open sites with good airflow

Common Problems

  • Spider mites during hot, dry summers
  • Root decline if planted in poorly drained soils
  • Occasional needle drop under prolonged stress

Best Use Scenarios

  • Large residential landscapes
  • Specimen evergreen plantings
  • Windbreaks with proper spacing
  • Cooler Front Range and foothill sites
Great Western Tree Care

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