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Are these Green Giants Arbs Healthy?

6 years ago

Hello my husband and I planted these two years ago. We live in NJ zone 6 and have been religious about the drip irrigation except for this summer due to how much rain we received and the fact that they are now two years old. I could use some help identifying the cause of this yellowing. Thanks so much. Here are some pics

Featured Answer

gardengal48 (PNW Z8/9)

6 years ago

They look fine to me.....lots of lush, new growth, probably due to plentiful rainfall :-) New growth is often a lighter shade than more mature foliage.......it will deepen in color in time.

Comments (6)

Alisha Horneff
Original Author
6 years ago
Great thanks a lot gardengal I appreciate it
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to encourage you to post a pic ...??? that looks like normal spring growth .... definitely NOT browning ... and to my eye.. not yellow ... though it is off-green ... and since it is ONLY this springs growth ... it NORMAL ... go look real close.. and the bark.. will show you what was there last fall .. its brownish ... and what is fresh green bark ... and this springs growth .... i can see it in your pic .... its chlorophyll production will catch up ... thats a lot of spring growth.. did you fert them at planting...?? ... i would not fert them .. ever ... take care .. and good luck ... ken
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There are certainly Thuja occidentalis cultivars with dark green foliage, 'Nigra' for instance. If anything, that's what these look like to me, what with the multiple competing leaders, darker green coloration, and not very tree-like growth habit. Any T. plicata's I've ever seen, other than dwarf cultivars, had strongly tiered branch arrangement. Absolutely do not appear to be GGs. +oM
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I’m about to have 3’-4’ Green Giant Arbovitae installed as a privacy fence along our property line. Spacing will be 5’ but I’m curious as to how far off the line I they should be planted. In the responses above I’ve read these plants can be between 4 ft and 10-20 ft wide. That’s a large difference. How far off the line should they be planted (in zone 6b)?
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I think many conifers grow very slowly. Pine trees are the exception. They grow very fast. You may consider those, but they are wayyyyyy more than 20ft. Another fast growing conifer is the Witchita Blue Juniper. It will get 4-8 ft wide and 15-20 ft tall. If you plant them, make sure to plant 4 feet next to each other. It can be used as a screen or a windbreak and will need no pruning. It also has appealing color. Goodluck with what ever you choose.
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ken_adrian Adrian MI cold Z5
6 years ago
bark changes color and texture every year ... and tracking annual growth rate is a good predictor of how happy the plant is ... and how fast it will get to height in your area ...

first pic ....last years bark is brown. this years is greenish yellow ... if you track further back into the plant.. you can see the growth rate of 3 years back ...

they are doing just fine .... good idea on cutting irrigation .. and letting them develop towards free range .. perhaps next year.. one good drink IF there is extended drought ...

try not to worry.. and love them to death ....

btw .. here in MI.. two extended droughts this summer.. many shrubs wilting.. etc ... GG.. nothing.. they ignored it .. in ground 15 years ... now that you got past transplant shock.. and you did with that growth rate.. they should be pretty bulletproof ...

ken
plantkiller_il_5
6 years ago
when one of my GGs failed , I was told by grower that they need cultivation for first 2 yrs.

ron
User
6 years ago
I love how they kind of look like ferns. Those look healthy to me as well.
Alisha Horneff
Original Author
6 years ago
Always great advice here. We have babied them for two years and are a bit astounded by the fact that they have grown 4 feet in that time.

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