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So I germinated two American Sequoai back in Sept of 2021 in preperation of making them bonesai. They were doing really good and I decided I would replant them in a larger pot. Now one of them seems to be doing great while the other has started wilting this week. I have not done any fertilizer becasue I thought they were too young. Any ideas of what may have happened? They both get the same water and light. December 8 2021 was their transplant dates. Do you think this little one can still survive? I am thinking of putting him on a heating mat under a plant light.Thanks for any help in advance. I just started spending time with flowers and trees this last year and found I truly enjoy it. However, I am as green as can be!
Image ending in 032 is the weakest I have seen him.
Image ending in 711 is the brother and he is doing great right now. This pic was a couple weeks ago.

Thanks for any advice and I truly look forward to being apart of your group!
Josh

What kind of climate are you in? You probably should have germinated these trees in spring. Do you keep them inside? This kind of tree should most likely be kept outside.

seedlings are always likely to be susceptable to pathogens and it sounds as if one is dying off. Not surprising. as for bonsai give it 10 years growing in the ground.

Hi Si Guy and m5eaygeoff. I live in South Carolina. I am very new to this so I am learning everyday. I was originally told to start these inside so that is where they have been since germination. I stratified them in order to get them going in the fall. I had planned on keeping them inside becuase our weather is so up and down. I was hoping to move them outside in 2022 once they have gotten a little bigger. One of the seedlings is doing great. I was just baffled why the other one did so good until I transplanted it. It seemed to go down hill even though it has made it almost a month after transplanting. Maybe m5eaygeoff is correct in saying it has been contaminated.
Thanks for reaching out both of you!! I just found this site today and looking forward to learning a lot.
Josh

PS...do you fertilize seedlings? I haven't, was scared I would shock them.

No fertiliser, there is no need.

Thank you for your reply. I am still cautious of over-watering at times but I will take your advice.

Theese seadlings is dead. They died because they germinated in the wrong season indoors. Next time read up on the species and its care before starting them.

Hmmm. Only one is dead, or dying. Seems like the other is doing very good as I type. I was looking for advice that may be positive. I was given instructions originally on how to plant these and was told I could do these inside to get them started no matter the season. I also did do some reading, but thought I would find welcoming advice on this site. Obviously, I am not as experienced as some so maybe I will look for another more amatuer group to share my thoughts with. Thanks Tree frog

Hello there. I think you lost the timing, I wish I could help you further, but have no exp. on this species, and we have very different climates, I know tho that they need a lot of light, but in winter doesn't make much difference.
Fertilization on this stage is kind of useless, as it doesn't even have much roots, or demand for nutrients.

Just don't worry much if you loose those seedlings, if you have earned experience.

Also, there's a progression on that species here on 名媛直播 Empire, might help and inspire you:
www.bonsaiempire.com/inspiration/progressions/giant-sequoia

Short Tree wrote:

Hmmm. Only one is dead, or dying. Seems like the other is doing very good as I type. I was looking for advice that may be positive. I was given instructions originally on how to plant these and was told I could do these inside to get them started no matter the season. I also did do some reading, but thought I would find welcoming advice on this site. Obviously, I am not as experienced as some so maybe I will look for another more amatuer group to share my thoughts with. Thanks Tree frog

I think this group is amature as they come, without having only people who have no idea of growing bonsai. I would recommend sticking around.

Your pines just germinated out of season, and now you are stuck needing to keep the living ones alive. If you have a cool room with lots of light, be carefull to water sparingly. THen, once your frost risk has passed, move it outside giving it plenty of light, after allowing to adjust to the outside solar strength for a few weeks..