Mountain Hemlock

Tsuga mertensiana

This northwest native conifer has no serious disease or insect problems. Its blue-green needles are spirally arranged around the shoots. Its slender/small habit and layered side branches make it a great choice for smaller or rock gardens.

Power Line Approved: No

Min. street tree planting width: 6 feet

Mature Height: 25-30 feet

Mature Spread: 10-15 feet

Tree Shape: Pyramidal

Where to Plant:
Great for smaller gardens or rock gardens.

Leaves:Blue-green needles arranged spirally around the shoot.

Light brown, oval cones up to 3” long.

Preferred Site Conditions:
Full sun to partial shade. Prefers moist but well drained soil.

Potential Problems:
No serious pest problems.

Minimum Planting Distances:

  • 15 feet from house or building
  • 3 ½ feet back from the face of the curb
  • 5 feet from underground utility lines
  • 10 feet from power poles
  • 7 ½ feet from driveways (10 feet recommended)
  • 20 feet from street lights and other existing trees
  • 30 feet from street intersections

Additional Resources