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Planting Safely Near Power Lines

When you plant trees or shrubs near power lines, it’s important to think about safety. Making the right choices can prevent power outages, keep your community safe, and avoid damage to electrical equipment. Here’s what you need to know.

Picking the right tree height

When planting near power line, choose trees that won’t grow taller than 25 feet when fully grown.  This helps avoid contact with overhead lines and keeps everyone safe. The Seattle Department of Transportation has a great resource to help community members check and see if the tree they want to plant is compatible with power lines. 

  • Think ahead when planting. If you’re planting a new tree, plan for what it will look like in 10 or 20 years. Even if a tree is small now, it might grow too tall and cause issues later. Consider smaller trees or dwarf varieties instead.
  • Avoid problem shrubs. Some shrubs and plants, like English ivy or Leyland cypress, grow quickly and can damage power lines or electrical equipment.

Tips for shrubs and ground cover

Shrubs and other plants can also cause problems near power lines and underground equipment.

  • Keep plants under 25 feet tall near overhead power lines.
  • Don’t block access to utility poles, meters, or underground vaults. Always leave three feet of space around this equipment so that maintenance crews can work safely.

Good ground cover options include low-growing plants that don’t spread too aggressively. Keep these trimmed and at least three feet away from underground equipment lids.

General planting steps

Planting safe and healthy landscaping is easy when you follow these steps:

  1. Plan ahead: Think about how big your plant will grow and how close it will be to power lines or utility poles.
  2. Call or register at ticket via 811 before you dig: This free service will mark underground utility lines to keep you safe while digging.
  3. Check for permits: Typically you will need a permit to plant, prune, or remove trees near streets or public areas. Check with your local jurisdictions.
  4. Give roots space to grow: Make your hole as deep as the root ball and twice as wide to allow the roots to spread.
  5. Use good soil: Use local, healthy soil to give your plants the best chance to thrive. 

If you’re interested, Trees for Seattle has a more extensive reference on planting and care.

Why this matters

Planting trees and shrubs responsibly doesn’t just make your yard look nice. It also keeps your community safe and helps prevent problems like power outages or blocked equipment. Remember, pick the right tree for the right place. By following these simple steps, you’ll create a beautiful, safe, and sustainable space for everyone to enjoy.

Learn more about our vegetation management team and how we ensure the reliability of our electricity and safety of our communities through tree management and protection.