Matievski, it is illegal to import citrus trees or bud wood into the US regardless of whether you live in a citrus producing state or not.

Is it so? Where can I read about this? Did not know...

Matievski,

Here are two links to previous discussions on this forum about this topic. Pay attention to Millet's posts and, especially, the document he linked to.

Here is a quote from the document which pertains to all of the US.

"At this time, the importation of plants or any plant parts, except fruit and seed, of all genera, species, and varieties of the subfamilies Aurantioideae, Rutoideae, and Toddalioideae of the botanical family Rutaceae is prohibited under 7 CFR 319.19, (the section entitled: Citrus Canker and Other Citrus Diseases Quarantine) to prevent the introduction of citrus canker and other citrus diseases."

In addition, importation of citrus seeds is prohibited from a long list of coutries given in the document. Most citrus diseases are not seed transmissable but several very important ones are.

Other countries and areas of the world, such as the EU, have similar restrictions. It is strictly to prevent the spread of disease. A new cultivar can be introduced to a country legally only through various state and national clean bud wood programs where it is tested for disease and diseases are removed before making it available to the public.

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My plants are still alive

This is how my main window look like:

From the left there is passion fruit, key lime (?), bolivian rainbow hot pepper, nepenthes carnivorous plant, trachycarpus latisectus palm, numex suave pepper (was cut down recently), kaffir lime x 2.
There are 2 10W LED's for some extra light during the winter.
I have 2 more key lime plants and some poncirus trifoliata seedlings that are not in the picture as well.

I did a little experiment at work. I work with electronics development so I'm allowed to make nerdy experiments
Since photosynthesis is supposed to work the most efficient with red and blue light I used 4 red LED's and 1 cold white (lots of blue light) for a total of about 10W. There is some light from fluorescents during the day and my LED's are on during the night.
My first experiment was with hot peppers. I did get some fruit but I've noticed that this plant, called demon red, also starts to fruit with very little light.


I germinated two "red grapefruits", at least that would the direct translation but I'm not sure if its correct, to replace the hot peppers. I grew them at home for a while and then placed them under the LED's.
The new growth was weird indeed, very appropriate for the topic of my thread...

The left plant grows straight up but many of its leaves doesnt develop properly. The top of the right plant has died back a couple of times, making it branch out more. The leaves doesnt seem right on that one either.

I was going to try to graft on these so the weird leaves doesnt concern me much but it would be interesting to hear if anyone has a theory of what caused it.

I notice the leaves only curl as the tree gets closer to the light. The bottom leaves at the tree's base seem fine.This is an effort by the ltree to lower the amount of light it is receiving. What type of light are you using, and what is the temperature at the top of the plants? The tree on the left, has died back instead of closing it leaves. - Millet (384 ABO-)

I'm using 8W of red and 2W of white LED's. The temperature under the lights shouldn't be higher than room temperature. The heat from the LED's is transfered to the heatsink in the back.

The hot pepper plants didn't get burned by the light until the leaves actually touched the LED's. The citrus plants were 20cm from the LED's. If the new leaves are very sensitive I guess they could have been damaged by the light.