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Q&A - What kind of tree is this? Most limbs are dying or dead. What can we do?

Question:
What kind of tree is this? Most limbs are dying or dead. What can we do?

Answer:
This is either a blue spruce or Colorado spruce. Certified Arborist Wes Hopper says spruce trees commonly get rhizosphaera needle cast or cytospora canker which are both fungal infections. The problems appear when the trees get stressed. The fungus can be treated with a fungicide. Also, Wes recommends keeping the tree watered and fertilized with a low nitrogen fertilizer. This is a northern tree and growing outside its natural habitat will be a cause of stress.

Related Videos:
My spruce is browning at the bottom. How do I save my tree?
Mixing and Applying Fungicide
Fungicides
Spring Tree Pruning

Related Resources:
Rhizosphaera needle cast
Cytospora Canker of Spruce

October 17, 2020
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  • Home
  • Watch
    • TV Schedule
    • Full Episodes Online
    • How-to and Informational
    • Questions and Answers
    • This Week in the Garden
    • Garden Notes
  • Garden Topic Collections
    • Apple Trees: How-to and Information
    • Peach Trees: How-to and Information
    • Tomatoes: How-to and Information
    • Square Foot Garden Blog
  • Resources
    • Soil Testing
    • Extension Publications
    • Gardening Resources
    • Blogs
    • Organic Gardening
    • Articles
    • Privacy
  • Guests
  • Contact Us
    • Ask a Gardening Gardening Question
  • Search