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  1. ajm55555

    Fall pruning: before or after leaves have fallen?

    I'd like to know your opinion on whether you would prune a JM or a deciduous tree in general before or after the leaves have fallen. A reason to prune before, let's say a month before the temperature drops: you give the tree some time to heal the cuts. A reason to prune after: all the sugars in...
  2. ajm55555

    Mutant JM seedling

    Never seen anything like this. Does it count the same as a four-leaf clover?
  3. ajm55555

    From Seed Division: AJM's Japanese Maple Forest

    I only saw the thread now! :-o I hope I can enter it with the seeds I, ehm mother JM, planted in April 2021. These germinated below some huge JMs in a park and I saved them before their siblings got beheaded by a lawn mower. I probably had 30 of them at the beginning. Now (Feb 2022) I'm left...
  4. ajm55555

    How do you prevent fungal infection when root pruning Deshojo&Co?

    I still haven't found a definitive answer to how to prevent fungus from entering a delicate JM cultivar, like the Deshojo, when root pruning. This is an air layer from South Korea/Japan. I had to do a major cut at the base to have a flatter root plain and this is the result. It pushed growth...
  5. ajm55555

    Collected seedlings suddenly die

    Hello everyone, I'm writing this in case anyone experienced the same. I'm really puzzled. About 3 weeks ago I collected some JM seedlings and planted them in bonsai soil. Some didn't make it and I understand that. They only had the tap root, we've been through some cold weather, etc. Most of...
  6. ajm55555

    Pinching strong apical shoots on a developing JM

    So I have this Japanese maple, which I cut back hard in the Fall of 2019. It's a garden center tree at the beginning of its bonsai life. It's waking up now and I have a few apical shoots that are very strong, while others down below are weak and maybe on the verge of drying up. I guess it's...
  7. ajm55555

    Japanese Maple Deshojo 2019

    I don't have many trees mainly due to space constraints and I consider this Deshojo the last incarnation of my main tree. Yes Deshojos, have many lives, like cats, they die and reincarnate in a new tree. To summarize, I hope to learn from the past. I'll document its progress and ask for your...
  8. ajm55555

    Fungal resistance and age

    I have a question that popped up from my experiences with Japanese maples. I always had young plants and a few fungal issues that probably let to the death of some of them. I was wondering if older plants are more resistant or not? If yes, can you define old in this context? Happy and safe Spring!
  9. ajm55555

    Multi Trunk JM 2019

    I couldn't leave this JM on the bench of the local Garden Center. Half price at Euro 25! I'd like to ask your suggestions on where to cut the next Spring. I rough cut the longest branches, just to make it more compact but will not do any major cut now that Winter is at the door. It will rest in...
  10. ajm55555

    Beni Maiko suddenly dying at the beginning of Spring

    This tree is a young Beni Maiko. It was repotted and pruned last year and had a nice growing season. This Spring it was budding regularly at the beginning of March on a warm spell (I'm in Germany, USDA zone 7b). Then we had a few cold days but with above freezing temperatures and I left it...
  11. ajm55555

    The life and troubles of Deshojo #2

    I finally decided to have one place to tell you the story of the second Deshojo I had in my life. The first one was, as far as I can remember, an innocent victim of the sun about 25 years ago. It's mostly a way to remind me not to repeat the errors I made and spot an issue I already met in time...
  12. ajm55555

    Teccacotta vs Plastic Containers

    I always wondered if you guys have any reason to prefer a terracotta or similar container vs a plastic one for the main reason that terracotta allows some kind of transpiration on the whole surface which plastic doesn't. Or this is dwarfed when compared to having good soil and nice holes all...
  13. ajm55555

    Beni Maiko Air layer

    Does anyone have experience air-layering a Beni Maiko JM? Can it be done easily with this species? Can I do it at the end of Spring or I should wait for the Summer? I wouldn't want to lose the tree... I would like to get the top part as a multi-trunk, so cut below the first bifurcation. Thanks!
  14. ajm55555

    Some leaves dying on my Deshojo

    I'd like to know if anyone has experienced this. This Deshojo was attacked by spider mites this summer so I progressively defoliated it and by the beginning of September it had a new canopy. Now suddenly at the beginning of October some leaves had this strange occurrence: a small part of the...
  15. ajm55555

    My Deshojo got Verticillium

    I never thought I would write a post like this but now I'm pretty sure my loved Deshojo got Verticillium from an unsealed small pruned branch. I didn't think it was so easy for this fungus to enter a susceptible species. All the leaves of this branch, after leafing out fine this spring, suddenly...
  16. ajm55555

    Deshojo JM Care

    This is my absolute favorite species and the first tree I had (and killed :-( ) I read a lot about it but I still haven't understood many things. The most shocking article was Walter Pall's on his world famous tree that got killed probably by Verticillium wilt or another fungus. Does anyone...
  17. ajm55555

    JM Identification request

    Does anyone have an idea of the name of the cultivar of this Japanese Maple? If it's too early to say, I'll post new pictures when the leaves have unfolded. Thanks!
  18. ajm55555

    How did it start for you?

    Probably a similar thread was already started here in the past but I can't find anything. If you know it, please point me there. I think it would be inspiring to know your earliest recollection of how this bonsai nut thing started for you all... That's how it started for me (forking from...
  19. ajm55555

    Maximum lowest temperature for Japanese Maples

    Can you guys tell me what is the lowest minimum temperature a Japanese maple will bear and for how long? Are the various cultivars very different in resistance to child? Thanks!
  20. ajm55555

    Tips on improving the overall shape of a Prunus Incisa

    I'd like your thoughts and tips on how to improve the general shape of this young tree. What would you cut, leave grow, shorten, etc... Thank you! :-)
  21. ajm55555

    Withered new shoots on a healthy Japanese Maple

    I wonder if anyone has ever experienced something like this. The new shoots on my Japanese Maple that came out in mid June were healthy and growing fast at the beginning. Since a few days they look withered and do not recover during the night. On the other hand the first leaves from Spring look...
  22. ajm55555

    Deshojo or Shindeshojo?

    Hello everyone! I'd like to hear someone's opinion on which variety this bonsai of mine is. Is it a Deshojo or a Shindeshojo? How can you tell the difference? I'm really having a hard time understanding what the characteristics are in terms of appearance and what was improved on the...
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