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Japanese Maple Re-pot (acer palmatum)

 
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Japanese Maple Plant Profile
 

Japanese Maple in Containers

TOPICS IN JAPANESE MAPLE TREES

  Recommended Varieties
  Planting Japanese Maples

Japanese Maple Care
Propagate, Cuttings, Seed
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How to Prune
Pest and Disease
Re-pot Japanese Maple


How To re-Pot Japanese Maple Trees (acer palmatum)

The best time to re-pot Japanese Maples is mid spring time. The idea is to re-pot before they break into leaf. A good time is late March in your area. It's best to leave the repot to that time because Japanese Maples are delicate trees when grown in pots. Make sure the plant was watered well in the previous couple of weeks.

The "soil" you need is half John Innes Number 3 and half ericaceous compost. Just ask at any garden centre or nursery and they will know what you mean. Japanese Maples dislike alkaline soil and produce the best leaf colour in a slightly acid soil.

It's essential to put some rubble or stones at the bottom of the pot to ensure good drainage, especially in the winter. Nothing will damage an acer quicker than waterlogging.

The new pot should be 5cm (2ins) or so larger than the old pot.

Tip the pot sideways taking care not to damage the leaves. Gently pull the maple from the pot using the base of the main stem as near to the soil as possible. Place a layer of soil over the rubble in the new pot and place the maple in the new pot. The aim is to keep the top of the soil at the same level as it was before. So adjust the amount of soil in the bottom of the new pot to do that.

Fill around the edges with the new soil  and gently firm it in. Water well.

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Name: jim@GardenAction
E-mail: webmaster@gardenaction.co.uk
Date posted: January 22, 2012 - 07:03 pm
Message: Good advice, Des, and well worth trying. We had some maples in the ground that lost their leaves in a dry spell. They did regrow after watering. Potted maples are even more inclined to dry out.


Name: des
E-mail: Private
Date posted: January 22, 2012 - 11:35 am
Message: maples get sunburn on the leaves. they need shade and the be kept moist pot up with john innes No2 and Horticultural grit


Name: jim@GardenAction
E-mail: Private
Date posted: November 02, 2011 - 02:06 pm
Message: Seems like autumnal leaf loss to me. Small buds should be next spring's new growth. Water occasionally and see what happens in the spring.


Name: Nina
E-mail: Private
Date posted: November 02, 2011 - 10:55 am
Message: I have bought Acer Palmatum sometime in early summer, it was already in the pot, and placed on the balcony. leaves are drying up and falling off, only the very top of the stem There are tiny buds on the other branches, but for a while nothing is coming up. Now it is becoming cold and windy, not sure what to do, is it normal for this time of the year? is there any food I can feed it with?

Thank you


Name: jim@GardenAction
E-mail: Private
Date posted: October 23, 2011 - 04:50 am
Message: Hello Sally
Acers are very tough but they do respond that way to drought. Was it watered enough?


Name: sally ridley
E-mail: Private
Date posted: October 21, 2011 - 02:28 pm
Message: I bought and re-potted my acer palmatum early summer.it is on north facing patio & was happy for a while. Then ALL the leaves shrivelled and dropped off. There are tiny buds but nothing re-grew. some branch ends have also withered. Why has this happened and what could i do?


Name: Kim K
E-mail: kkent61@yahoo.com
Date posted: September 17, 2011 - 06:09 pm
Message: I have leaves turning brown,researched that found out the problem. Now I'm worried that I have trimmed the burnt leaves off I'm worried that I may have damaged the beautiful trees. How long will it take for the other leaves to grow back even though there are new leaves coming out on the stalk now? They are in containers and a little afraid to transplant them with winter coming around the corner!


Name: Amanda Wright
E-mail: Private
Date posted: October 01, 2010 - 03:50 am
Message: All the leaves are falling off my Acer palmatum Viride standard. Its in a pot and was planted end of august is there anything i can do?


Name: Matt
E-mail: matttry@btinternet.com
Date posted: August 30, 2010 - 09:38 am
Message: I've accidentally snapped a brunch on my crimson queen and potted it. Will it survive? and have you any ideas of increasing my chances.


Name: Rich Jackson
E-mail: Private
Date posted: August 24, 2010 - 09:53 am
Message: For permanent planting in a large pot fot a tree that nornally would get to 10", How large of a pot do I need. (height, width)
thanks


Name: Elaine
E-mail: Private
Date posted: August 22, 2010 - 08:52 pm
Message: I purchased 4JM for our south facing deck. The leaves are curled on two tress, & fallen off the other trees. Will the trees recover if I move them to partial shade & change the soil?


Name: Elaine
E-mail: Private
Date posted: August 22, 2010 - 08:51 pm
Message: I purchased 4JM for our south facing deck. The leaves are curled on two tress, & fallen off the other trees. Will the trees recover if I move them to partial shade & change the soil?


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