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Tiger31
LSU Fan
Baton Rouge
Member since May 2004
334 posts

Help with Japanese Maple
I need some help with whats happening to my Japanese maple. It is a arce japones Emperor 1 and was planted in April. I'm in North Carolina and its been pretty hot the last few weeks but it is really never done well since I planted it. It gets full sun in the morning and I thought it was blocked from afternoon sun but it does get hit with sun between the houses for 2-3 hours. Can anyone tell me what may be going on with it? Thanks.




This post was edited on 7/19 at 8:39 am


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
3214 posts
 Online 

re: Help with Japanese Maple
Likely heat, sun and perhaps some moisture (too little, too much) stress. Wind can also cause scorching. Plus your’s is a young plant still getting established. Emperor 1 is a “sun tolerant” cultivar. I wouldn’t be overly concerned.

I know your conditions are not as harsh in NC as they are in south Louisiana, but I have about dozen young J Maples, oldest being 3 years, most are reasonably well shaded - the scorching of leaves happens to all of them this time of the year and all are heat/sun tolerant cultivars. I do have a single cultivar that doesn’t scorch named “Baton Rouge” - a really nice coral bark J Maple. Purchased from Mr. Maples near Asheville, NC.
This post was edited on 7/19 at 5:42 pm


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SEC. 593
Missouri Fan
Chicago
Member since Aug 2012
3003 posts

re: Help with Japanese Maple
Do you fertilize the tree or your lawn? Sometimes leaves show scorch when one nutrient is off causing excess fertilizer to become out of whack, which can burn leaves

Honestly though, looks like too much sun, and not enough moisture.


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TigerAlum1982
LSU Fan
Member since Sep 2011
1242 posts

re: Help with Japanese Maple
I had a struggling Japanese Maple last year. Was advised to feed it yearly with 888 fertilizer and give it a good soaking once a week by letting the hose run on it for about 15 minutes. After doing that, it’s coming back nicely.


Tiger31
LSU Fan
Baton Rouge
Member since May 2004
334 posts

re: Help with Japanese Maple
Thanks for all the responses. I do have it in an area where garden sprinklers hit it 3 times a week for about 20 minutes. Could it be that its getting too much water? I have not fertilized it all since I planted.


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
3214 posts
 Online 

re: Help with Japanese Maple
quote:

I do have it in an area where garden sprinklers hit it 3 times a week for about 20 minutes. Could it be that its getting too much water? I have not fertilized it all since I planted.

Yes I think that is too much water - just one good watering weekly in the absence of a 1 inch rain will suffice.

Adding a little general purpose, slower release fertilizer with micronutrients would be fine as well - maybe a 1/2 cup around the drip line. Usually adding fertilizer late winter, early spring (Feb/Mar) as leaves emerge is advisable. I personally use Lesco 14-14-14 polyplus (slow release) fertilizer for shrubs/trees - including my in-ground J Maples.


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FlyinTiger93
LSU Fan
Member since May 2010
2404 posts

re: Help with Japanese Maple
Takes 3-5 years for a Japanese Maple to adjust to that much sun. Patience, and twice a week soakings.


SEC. 593
Missouri Fan
Chicago
Member since Aug 2012
3003 posts

re: Help with Japanese Maple
This. We had one where it took forever to adjust, so I took a garden shade cloth/PVC and made something to block the height of the summer afternoon sun


Tiger31
LSU Fan
Baton Rouge
Member since May 2004
334 posts

re: Help with Japanese Maple
Thank you for all responses.


AllbyMyRelf
Mississippi St. Fan
Virginia
Member since Nov 2014
2727 posts

re: Help with Japanese Maple
Can you see any cracks in the bark near the ground? My dad had this issue with his Japanese maples.


Tiger31
LSU Fan
Baton Rouge
Member since May 2004
334 posts

re: Help with Japanese Maple
No the bark seems to be fine. Just the leaves are the issue. It will produce new leaves then they scorch. Sounds like I need to reduce the watering and wait it out.


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