Their needles yellow from the tips inward especially on the sides of the trees exposed to wind and strong sunlight.
Emerald carpet leaves turning yellow.
The tree cannot take up moisture to replace what is lost from the needles leaves.
The bottom leaves of an emerald gem plant turn yellow and fall off when there is not enough light.
Most plants died in one area but the.
It may be worrisome to observe your emerald green arborvitae thuja occidentalis turning yellow.
The location of the yellow leaves.
This can be regular dropping of older foliage or it can be stress bringing on leaf needle drop.
The same holds true for all of the evergreens.
Arborvitaes in hot dry summer conditions may develop leaf scorch.
I have had a massive loss of my emerald carpet manzanitas this past year.
Arborvitae spruce juniper magnolia boxwood laurel.
The location of the yellow leaves timing of yellowing and growing conditions can offer clues about the condition of your plant.
When a plant shuts down evergreen foliage the foliage will turn yellow then brown and drops off as the chlorophyll stops coloring it green.
In semi shade less water is needed.
If they are exposed to cold drafts or sudden temperature drops they can respond by leaves yellowing.
It may be worrisome to observe your emerald green arborvitae thuja occidentalis turning yellow.
What type of soil do you have.
I planted them at least eight years ago and they were very well established.
Once established emerald carpet does best with irrigation twice monthly during the dry season.
There are a number of reasons why these plants change color.
If emerald carpet begins to turn yellowish it needs nitrogen fertilizer.
If you have clay soil roots may have difficulty growing into it so adding organic matter.
There are a number of reasons why these plants change color.
Don t worry the plant can easily bounce back as long as you move it back to a warm spot.