Needle Blight

Needle blight is a disease that usually affects pine trees, killing off the tip of the needles and branch tips.

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Needle blight is a disease that usually affects pine trees. Needle blight first appears as dark green, water-soaked spots on the needles. The spots become tan, yellow, or reddish-brown. 

The tip of the needle beyond the band eventually dies leaving the base of the needle alive and green. Young trees are more likely to suffer damage than older trees.


  • Spraying with Organic Super Sulphur will prevent new infections, but will not cure diseased needles.
  • A spray of PLANThealth Spectrum or PLANThealth Rose Force in early June is sufficient to provide protection of new foliage. However, a second application three to four weeks later will provide more complete control.

Did You Know Did You Know

  • Needle blight is caused by the fungi Cyclaneusma minus and Dothistroma pini.

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Plant Health Spectrum

Plant Health Spectrum

Insect pest and disease control for roses and ornamentals.

Organic Super Sulphur

Organic Super Sulphur

Organic control of diseases - powdery mildew, blackspot and rust. Plus control of moss, lichen and mites.


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