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Concerned about Sango Kaku (Coral Bark)

Posted by lelynn 9 (Northern CA) (My Page) on
Tue, Jun 3, 14 at 12:34

We recently re-did landscaping in front of new house and planted this Japanese maple. We roto-tilled the beds and added lots of organic equine compost beforehand, along with some gypsum to help break up the clay (the dirt was pretty poor). We also put a thick layer of mulch over the top. It's been in the ground for about 1.5 months now. A few days after it was planted we had 95 degree weather for about 4 days in a row. I kept it watered and have continued to check the ground regularly to make sure it's not getting too dry. It's on a drip and gets about 20min of water 3 days a week. It can also get a bit windy in the morning and afternoons. Also, front of our house faces full North, so gets sun but lots of shade as well (it's in a corner right near kitchen window so I think it's pretty protected). The leaves were green and now this is happening, am I over or under watering or is this tree sick? Please help, thanks!

This post was edited by lelynn on Tue, Jun 3, 14 at 12:38

Follow-Up Postings:

RE: Concerned about Sango Kaku (Coral Bark)

you must live in my area as well as I experienced the same climate.

I noticed that some of my leaves are becoming like yours on my true Japanese maple tree. I wasn't sure if it's the wind or lack of water. I water it 2x a week. I wasn't sure if it's sunburn. Some of my leaves like in your picture are becoming hard.

I'm curious if anyone knows what's the problem.

Subscribe :)

RE: Concerned about Sango Kaku (Coral Bark)

I'd be concerned about it being under watered. Winds can have a desiccating affect on foliage and that could result in the spotting/discoloration of the foliage. Newly planted trees need good bit of water, especially when planted at this time of year. As long as drainage is good - very important - the soil should stay consistently moist.

I would dig down next to the rootball and feel with my fingers. The soil should be moist to the touch even with the base of the rootball at least.

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