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Japanese Acer

Hi. First time here and desperately seeking some sagely advice.

I have a purple/red leaved Japanese Acer, it has the large non lacy type leaves.

We have had it for 20 years and it has always been super healthy, with some very minor pruning to help keep its shape, the canopy is 4 to 5 ft across and it sits in a large 3ft x 3ft pot. It has good shelter from the wind, gets sun for about 3 or 4 hours a day and has been happy where it is for probably nearly 10 yrs. 

This year, buds and leaves have formed but the leaves have not opened, they have died off, simultaneously the tree seemed to stop taking water. About 4 days or so after our last rain I noticed the water was sitting an inch above the soil. I drilled a hole in the side at the bottom of the pot and probably 10 litres of water gushed out.

My only thought is that it’s pot bound and might be saved by moving it. Can I do this now given that it’s not an ideal time to disturb things and will it survive a rotation of the seasons with no leaves?

Please note I can eliminate wind, obviously water, and sun so there aren’t any of the normal Acer problems, this is one of about a dozen I have and never seen this before.

Help greatly appreciated, this was the first plant my wife and I ever bought and has a great deal of sentimental value.

Posts

  • rauger3rauger3 Posts: 3

  • Guernsey Donkey2Guernsey Donkey2 Posts: 6,713
    I'd say firstly that it could well be pot bound, that is a small pot judging from my own pot grown acers.  Have you given it some fertilizer/food each year, just sprinkle on and water it in. Have you been pruning out dead branches each Autumn/Winter or are the buds just forming on the ends of the branches each year? Not a very good picture of our acer in the pot, the pot is at least 20 inches across and 24 inches tall.
  • rauger3rauger3 Posts: 3
    I measured the pot and it is 30inches high and 30inches wide. I’d struggle to get anything else into the back garden. I don’t feed it until spring normally when I give it some liquid feed and I prune off anything that isn’t healthy and any dead branch ends back to healthy growth. Might try feeding it now though in hope of saving it.
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