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One-and-a-half-year-old pine seedlings

August 9, 2013 by Jonas Dupuich

This past March I potted up a number of seedling cuttings made in 2012 (see Repotting 1 year-old black pine seedlings).

Seedlings

1 year-old black pine seedlings

Just four months later, the seedlings are much bigger.

1 year-old black pine seedling

1.5 year-old black pine from seedling cutting

1 year-old black pine seedling

Low buds developing without prompting

1 year-old black pine seedling

Apical shoots opening – a good sign of vigor

Apart from their characteristic floppy foliage, the red pines look similar.

1 year-old red pine seedling

1.5 year-old red pine from seedling cutting

1 year-old red pine seedling

Large and small shoots low on the trunk

1 year-old red pine seedling

Apical buds opening

In general, red and black pines grow once a year in spring. When they’re really healthy – or when significant foliage is removed via decandling or cutback – they send out a second flush of growth in summer.

Most of my 1.5 year-old pines are now sending out a second flush of growth. Sometimes this growth develops from apical buds that open early, other times new buds emerge and elongate at the same time.

I found good examples of the former on my 3.5 year-old seedlings. The photo below looks like it was taken in spring when apical buds typically elongate, but as we can see from closer inspection, the center bud has yet to budge.

Summer shoots

Apical shoots opening in summer

Summer shoots

The center bud remains closed

I expect I’ll see all sorts of variations like this by fall when the pines begin to slow down. No need to wire, cut, pluck or break the new growth – continued watering and feeding is all that’s required at this point.

✕

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Filed Under: Bonsai Care Tagged With: Black Pine

Previous Post: « Watching trees grow
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Reader Interactions

Comments

  1. evanmb says

    August 9, 2013 at 7:42 am

    Hi there Jonas, I couldn’t find an answer in your previous post (and comments there are closed). But, after these germinated 1.5 years ago, how long did you wait until you cut them, applied hormone and planted? Are you looking for the trunk to be completely red, are there other indicators that it’s ready for that step?

    Also, in relation to this post – at what age will you cut back and/or wire to start shaping?

    Thanks for posting, love you blog!

    • Jonas Dupuich says

      August 9, 2013 at 12:27 pm

      Hi Evan, the following posts may help – feel free to search the site for more information or let me know if you still have questions.

      http://bonsaitonight.com/2011/07/01/how-to-create-seedling-cuttings-japanese-black-pine/
      http://bonsaitonight.com/2012/05/25/how-to-pot-pine-seedling-cuttings/
      http://bonsaitonight.com/2013/03/29/wiring-3-year-old-black-pines/

  2. evanmb says

    August 9, 2013 at 8:25 pm

    Thanks for the reply Jonas, yes these answered my questions. They are some very informative posts too.

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