Umbrella Pine Trees

Umbrella Pine


Mindydtd added on May 4, 2016 | Answered

What causes it to yellow? I've had it 10 years and never saw this happen.


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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 6, 2016

In my research I found many reports of the Umbrella Pine taking on a yellow cast to the needles during winter with the tree shedding these needles and returning to it's normal green color during the growing season.

A soil test is a good idea to check the soil, as this tree prefers a slightly acidic soil.

https://www.gardeningknowhow.com/ornamental/trees/umbrella-pine/umbrella-pine-planting.htm

It is possible that a yellowing tree could indicate a more serious issue and I've listed this link to give you more information and what to look for.

https://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1983Articles/PlantDisease67n06_698.PDF

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