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Messages - Olivier

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Olivier, are you watering your trees with municipal water or well water?   If municipal water, you can get the water's composition from your supplier.  For well water you will need the water tested.  Could very well be from high levels of carbonates and bicarbonates.  When I stared growing citrus I used my well water, and the trees had all sorts of problems due to high  levels of bicarbonates.  I switched to a mixture of 1/3 well water and 2/3 rain water and my trees quickly returned to good health.
I will have to check then, I use municipal water exclusively.
I'm hoping it's not the issue because where I live I wouldn't be able to setup a barrel to collect rain water.

Browning on the branches  stopped or slowed down at least, the tree seems to be stabilizing. I'm hoping to see leaves grow back soon

I put my trees under grow lights during the winter. The conditions in the grow room are very similar to what you listed, especially for branches close to the lights.

Can trees die from damage of spider mites?

I wouldn't be able to tell the peat type honestly, I don't have the bag anymore.
The tree has this soil for over a year now and it started turning like this only recently.
Could a PH problem take that long to surface?

It's a mix of sand, peat moss and perlite.
All my trees are in fabric pots to prevent root rot.

After comparing with other posts on this forums, I think it might be spider mite damage.

I had spider mite issues this winter. I washed all my trees under the shower and it got rid of most of them, but some trees still seem to suffer despite being cleared of mites.

I'll keep watching them closely and wash them off with water regularly to keep the mites away.

Rookie mistake from my part.

Here are additional pictures of the tree.

Leaves dropped while it was indoor this winter. I took it outside 4-5 days ago.


I have some issues on most of my trees. I think I might have over fertilized them during the winter and now some branches are dying slowly starting from the tip.
Some leaves are browning and show some odd color (see picture attached).

The leaf on the picture was taken off my yuzu tree.

I checked this link and it seems to be over fetilization:

If it is in fact over fertilization, what should I do? Simply water my trees as much as possible without drowning them to dissolve the excess sodium?
Or is repotting mandatory at this point?

Citrus General Discussion / Re: Young tree pruning
« on: March 18, 2022, 09:44:35 AM »
Thank you for your input.

I'll just leave it as is for now and let it grow as it pleases.

Citrus General Discussion / Young tree pruning
« on: March 17, 2022, 10:34:29 AM »
I have this very young Meiwa Kumquat tree and I'd like to have some input from you citrus enthusiast veterans.

I read in another thread that it is rather pointless to shape young trees, however I also read that it should be avoided to have a Y embranchment on a tree. So I'm not sure what's the best course of action here.

My tree seems to be currently set to grow with that Y shape at the base, where one branch is growing vigorously and the other one is less vigorous and quite elongated. Should I cut the long branch so the tree can focus its growth on the vertical branch or just let it do its own thing?

See picture attached.

Citrus General Discussion / Re: Indoor winter growroom
« on: November 04, 2021, 08:26:45 AM »
Thanks for sharing your setting Matt, I love reading about it since there is little information on such greenhouse online. Unless one wants to grow weed...

I'm currently working on a similar setup myself. Still a work in progress but it gives an idea.

My biggest concern are the coldest times during winter. Last year my grow space was very cold and the trees got dormant. The top of the house would be warm because of the lights but the roots would remain cold preventing any growth.

I insulated with reflective insulation sheets, similar to bubble wrap. I hope this will be enough to retain enough of the light heat and keep the roots warm enough to keep the trees thriving.

Citrus General Discussion / Re: Madison Citrus; the very finest
« on: September 16, 2021, 08:12:35 AM »
I just bought 7 trees from Madison Citrus Nursery. They all look great.
I was surprised to see they sold US942, I couldn't find that rootstock anywhere else.

Interesting read, especially for an indoor grower like me who doesn't have the option to grow in ground.
It is motivating knowing I can still achieve great results with limited square foot.

The 2,600 boxes per acre were achieved over 5 years though, the article states that it's the cumulative number. So not necessarily a fair comparison to put it next to the 200 boxes/acre per year for inground trees.
But at 1,363 boxes/acre at year 6 for potted trees, it is still pretty impressive.

Citrus Buy, Sell, & Trade / Re: WTB Yuzu
« on: July 28, 2021, 09:04:35 AM »
Wow, I love that website. So many great varieties for sale.
I will be travelling to the US in a few weeks. I'll be sure to place an order. Hopefully I can fly back home with a few trees without any issue.

Thanks for sharing, Millet.

Thanks for the replies.
I'll admit I'm a bit worried with the stories of trees dying.. I'll keep removing flowers aggressively and hope for the best hehe

Sc4001992, on which rootstock did you graft your Buddha's hand? I thought I read somewhere Buddha's hand did better on their own roots. My tree is a rooted cutting but seeing how it performs I'm starting to think it do better on a good rootstock

My tree started flowering a few months ago. Some fruits set, and I kept them on. 3 are remaining and they look like they're going to stay on the tree until they reach maturity.

However, the tree won't stop flowering instead of pushing new leaves and branches. I pick off the flowers, but they keep coming back. My tree is quite small and I would like it to grow bigger at this point.

It receives the same treatment as my other citrus trees, and the other ones are doing well. Is it typical of Buddha Hand trees to grow slow and constantly bloom?

Citrus General Discussion / Re: Indoor Citrus
« on: May 27, 2021, 11:54:52 AM »
I only had a fan pumping the air out from the top of my tent, while my intake was at the bottom. Next fall I'll add some small fans inside the tent just to generate more airflow as my current setup was insufficient.

I don't think you need to get a filtered fan. From what I read, the filter is only to cover the smell. It might be great when growing cannabis, but rather useless when growing citrus.
That's the fan I use:

It's quite powerful though, and will generate negative pressure inside the tent without a power limiter.

Citrus General Discussion / Re: Indoor Citrus
« on: May 27, 2021, 09:35:36 AM »
I just completed my first indoor season, and based on my experience I think your current plan is solid.

The lamp choice seems good. Wide lamps seem to do be better than compact and very powerful ones. My current lamp is compact/powerful and supposed to cover my whole grow space, but the leaves and fruits on the edges did poorly.

You might want to keep an eye on the airflow and consider adding another fan. It's very easy to get high temperatures and dry air at the top of the tent and high humidity at the bottom.
I had this issue last winter and it left me susceptible to both root rot and spider mites.

Millet, thank you for your reply. That quote from Dr.Manners is exactly what I was referring to.

Does the age itself increase fruit quality? Or does the age also implies tree size?

In other words, would a 25 year old tree that was kept small produce the same fruit quality as a 25 year old tree that was fully grown?

@brian and citrange

It looks like you have different opinions on the rough lemon. I'm curious to know what would be the pros and cons?

Thank you all for your answers, I appreciate it.

If you are growing in containers in the north your trees will be dwarfed anyway to some degree.

I was under the impression a tree would produce better quality fruits the closer it gets to its full potential/maturity. That is based on some thread I read here about grapefruit trees. I don't know if it applies to all citrus though.

Assuming the above statement is true, I'd like to get a tree that is meant to be relatively short.

My Fukushu on Flying dragon is slow right now.  My New Zealand on Seville sour and another NZL on US897 will grow all winter under lights.

I have one tree on US897 and it barely grew this winter, but the tree seems to have been mistreated in the past (weak trunk with scars) so it's probably not a good benchmark. Among the trees I have, those grafted on KH (couldn't figure what rootstock that is) are doing the best in terms of growth.

For those of you who graft trees on a regular basis, where do you obtain your rootstock? I can find Flying Dragon, Trifoliate Orange and C-35 rather easily, but the USDA rootstocks (US-xxx) seem to be reserved for wholesellers. I must have contacted 15 nurseries in Florida so far and no luck yet.

I have been obsessing with US-942 lately as it seems to be the 'best' rootstock at the moment. High yields, resistant to many diseases and produces great quality fruits. And based on some numbers I saw online, it seems like Florida growers have been shifting to this rootstock over the past few years.

That being said, I have no clue if having that rootstock will make any difference for the environment in which I grow.
-All my trees are in pot. I have no opportunity to plant them in ground.
-They grow indoors from September/October to May
-Outdoors during summer
-Trees need to remain small (less than 6ft tall and I'd say max 3-4ft wide)

Am I driving myself nuts for nothing chasing the US-942? If not, if it's really worth it, where can I buy seedlings or seeds?

Thanks for sharing the video containerman. It's a great collection you have there.

Citrus General Discussion / Re: Meyer lemon tree-yellowing leaves
« on: January 08, 2021, 07:24:49 AM »
It seems like my yuzu tree is currently removing old leaves, same as what was posted in the original post in this thread. The older leaves are yellowing while the new growth is still green and shiny.

I just wanted to confirm with the more experienced citrus grower here just to make sure I'm not ignoring a problem on my tree. Thank you

Citrus General Discussion / Re: Citrus 2020 (potted)
« on: November 10, 2020, 05:33:48 PM »
Well that sounds great. It's pretty much the ideal scenario for me. Possibly my first fruit while not slowing down the growth.

Citrus General Discussion / Re: Citrus 2020 (potted)
« on: November 10, 2020, 09:55:47 AM »
Mines aren't producing any fruit yet, but they're growing fast right now. It gets me excited for next year.

I do have one tree with one single flower. Will this prevent my tree from growing new branches and new leaves?
I'd rather have a bigger tree next year than collect a single off season fruit, unless it does anything to the growth.

Citrus General Discussion / Any use for fallen blossoms?
« on: November 05, 2020, 07:56:27 AM »
I was wondering if there was any use for fallen blossoms on citrus trees. Can those flowers be used to make products such as orange blossom water or perfumes?

Does any of you use those flowers, and if so, how do you use them?

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