Repotting Help For A Newbie

Discussion in 'Maples' started by intel, Jul 3, 2015.

  1. intel

    intel Member

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    Hi.....my first post here :)

    I just brought a couple of Acers and being a newbie need some help please,
    the two trees are Red Filigree Lace & Mikawa yatsubusa, both are small
    (about 6 inch's tall) and are in 70mm pots.

    I would like to repot them into a bigger pot, my question is should I go for
    the next size up (about 90mm) or should I be re-potting into a much large pot?

    Also I was thinking of using a mixture of Ericaceous Compost and John Innes no2
    or should I be using John Innes no3?

    Thanks
     
  2. patdero1

    patdero1 Active Member Maple Society

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    Don't go to big. You can step it up a size or two. As far as mix I use 60/20/20,
    Pine bark mulch/perlite/peat moss.
    Pat
     
  3. intel

    intel Member

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    Thanks for the reply...has it got to be Pine or is wood chip be ok?, they don't seem to sell small quantity's of the
    pine here in the UK

    Also could I use vermiculite rather then the Perlite as I already have a small bag in stock?
     
  4. maf

    maf Well-Known Member Maple Society

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    Wood chip not so good, it tends to break down much quicker than pine bark. I don't like vermiculite either, holds too much water, but a very small amount added would not cause a problem. Basically standard potting mixes are not free draining enough and you need to add something to improve the drainage. Course grit will work if you have that to hand. From what is typically to hand for the UK gardener, something like 50% multi-purpose, 25% John Innes (no.2 or 3), 25% course grit works well enough in small pots. For bigger pots you will need some lighter ingredients like perlite and bark.

    125mm or even 150mm would be a good size pot to move up to.

    Hope that helps and welcome to the forum
     
  5. patdero1

    patdero1 Active Member Maple Society

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    You want the pine bark mulch for the acid value.
    Good luck
     
  6. intel

    intel Member

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    Does this help to bring out the true rich colour of the leaves?
     
  7. maf

    maf Well-Known Member Maple Society

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    Acid/ericaceous medium not necessary. Strongly alkaline is to be avoided but neutral to very slightly alkaline is fine, as is slightly acid.
     
  8. bub72ck

    bub72ck Active Member

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    If you want to use a large pot for display purposes but need a smaller pot for the size of the tree I recently made a planter and used a pot within a pot. The Mikawa Yatsubusa seems to be doing very well and I was able to use the larger pot with some other plants inside for display.
     
  9. AlainK

    AlainK Well-Known Member Forums Moderator Maple Society 10 Years

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    That's a very good suggestion in my opinion: the problem with planting different species in the same pot is that they often have different growth patterns and cultivation requirements, and some have roots that can invade the pot, take most of the nutrients, and "choke" the main tree. By doing what 'bub72ck' suggests, you're on the safe side.

    I would also check the roots at the base of the pot containing the Acer to make sure they don't come out of the draining hole(s) and block them after leaf fall, when it's usually much rainier.
     
  10. intel

    intel Member

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    Well I took the plunge and re potted both using a 45 45 10 mixture of Orchid Pine Bark
    John Innes no3 and Perlite then topped dressed both with the orchid pine bark.

    Also took the advice of bub72ck & Alaink and planted both within another pot, they look great plus you get the added advantage that that the pot is now heavy with the pebbles and shouldn't get blown over in a strong wind.
     

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  11. maf

    maf Well-Known Member Maple Society

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    Looking good!
     

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