Species Specific > White Pine Bonsai Discussion

JWP from seed

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Dirk:
A few weeks ago I received my long awaited copy of "Pines" from Stone Lantern. One of the things that struck me most were the astonishing results achieved with growing JBP from seed. What good results after 6 or 7 years!!

Growing White Pine from seed is slower! I have some seedlings that are in their second year now. last spring potted them up and I was intended to follow the "rules" in my other books: potting sequence 1, 3, 5, 8 and 11 years.
I think some of the methods followed when growing JBP will work for JWP as well.I think of transferring half of the seedlings next spring into much larger pond baskets. Hope to be able to wire them in the fall of next year.

It seems to be hard to find something on growing JWP from seed? Anyone with experience?
For sure it will be no "instant Bonsai", but in eight to ten years time I should be able to have some nice Shohin JWB
Anyhow, growing from seed is still a lot of fun.

tanlu:
I have 6 JWP grown from seed, all in different stages of growth. I actually would've had 26 by now if my roommate hadn't forgotten to water the 1y/o seedlings over the weekend :(

I've read several academic articles about JWP in their natural habitat in Japan reporting that young seedlings grow best in semi-shaded areas until they're about 4 years old. One thing's for sure, they they do best with morning sun, shade protection from 12~3pm, and later afternoon sun. I'm sure my seedlings would have been fine if I had left them in shade over the weekend.With the exception of my zuisho, all my JWP are grown from seed.

If you want to speed up the growing process, plant them in 7" colanders, use 100% inorganic medium granule bonsai soil, and fertilize them every week with organic and inorganic (miracid/miraclegrow) fertilizer. Now is about that time when you switch from high nitrogen to high phosphorous fertilizer. If you don't have one already, look for a bloom booster fertilizer at Lowe's.

note: heavy fertilizing + heavy watering + fast drainage + lots of sun = rapid healthy growth.

Looking forward to seeing the progress of your trees.

Dirk:
This winter I lost a few of my JWP seedlings. Others are growing well.
I removed four seedlings today.

Half of the seedlings (14 in total) where potted in a mix of fired clay (catlitter) and pumice and kyriu. The other half was potted in the same mix, but with Akadama in stead of the fired clay.
All four of the culled out seedlings where in the Akadama-mix.
I know there is a ongoing discusion about the use of Akadama. At least in Europe. Even the hardest Akadama seems to break up in the soil which makes the soil very compact. Fired clay doesn't.
Now I read a article, I think from Peter Tea, that states more or less that using Akadama is better because the particles are breaking up.
It must be coincidence that the four dead seedlings where in Akadama.
Maybe anyone can comment on what mix to use. (If i had to repot now, I would use Akadama, pumice and lava; It looks good, dries quickly and gives me confidence (my Itoigawa cuttings are doing fine in this mix!)

tanlu:
Hi Dick,

Thanks for posting this! I'm also growing JWP from seed. I have 3 jwp grown from seed that I planted in the ground. 2 are 5 y/o and 1 is 7yo.The grower I purchased my seedlings from grows them in pure turface and turkey grit (crushed granite). He's been very successful and already has several decent JWP shohin. I think the key to his success is a combination of: good soil drainage, good seeds, and that he cuts the tap root after their first year. He uses purely chemical fertilizer once/week and gives the seedlings a little more shade. I believe they do better with full sun after year 4.

I haven't successfully grown them from seed myself, but I have a few seedlings that sprouted this spring indoors that hopefully will grow well and will survive the winter. I'm much more interested in growing JWP on their own roots (since it's only natural), so please continue to update us on your progress!

Theo

John Kirby:
Tanlu,
why not graft on to black pine, gain the rapid growth and then ground layer the white pine to eliminate the JBP to JWP transition? Works well. see http://bonsaistudygroup.com/white-pine-discussion/kokonoe-white-pine/

You can have a tree like this in only 70 years or so.


John

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