Questions tagged [lemons]

Small evergreen citrus tree with yellow fruit. Use this tag with questions focusing on the fruit.

Lemon is a citrus , thought to be a hybrid of sour orange and citron. It is usually referred to as species Citrus x limon.

Lemons are one of the most popular citrus fruit and have both culinary and non-culinary applications. The juice has a high level (typically 5-6%) citric acid, which gives it a notable sour taste, but also contains a range of other vitamins and minerals.

There are a number of common lemon varieties in cultivation today. These include year-round fruiting, tolerance, variegated , thick skinned varieties.

It is/has been used as an antiseptic, for aromatherapy (although alleged aroma effects on the immune system have been dis-proven), a source of citric acid, wood polish, as a deodorizer, as a source of d-limonene insecticide, and as a 'safe' acid for science education.

Use this tag for all questions about growing lemon trees. Use the tag for questions about citrus trees in general.

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My lemon tree is having major problems

I live in Southern California and the bark on my tree is splitting, there are limbs also splitting off and the fruit is green instead of yellow. This tree is about fifty years old and I want to save it. Any suggestions.
Angela
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Why is my lemon tree dying?

My mature lemon tree is having problems. It always produced LOTS of lemons. Since I trimmed off some dead branches a year and a half ago it produces only a handful. Also, and probably more important, bark on some of the branches is splitting and…
John
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Why didn't my Meyer Lemon tree produce fruit after it blossomed?

My Meyer Lemon tree was full of flowers this spring. I hand pollinated them using a q-tip, along with help from some insects, when the tree was outside. After the blossoms fell off, it didn't produce fruit. Is this common? It is three years old…
Jonathan Wolfe
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What is this white discoloration on my lemon tree dirt (picture)?

Below is a picture of one of my indoor lemon trees. They are all in self watering pots, and they drink ~3 litre of tap water per week. What concerns me is the white/orange stuff on the dirt. To the right of the picture have I dug a little bit down,…
Jasmine Lognnes
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Is there any way to save it

Unfortunately it was placed in a greenhouse and then the vents closed for a full day or two leaving no ventilation
user42442
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Lemon tree dropping healthy leaves

I have read a number of posts on the same topic, "healthy" lemon tree dropping leaves, here, here, here, here, here, and even this post from my same city (Vancouver). The general guidance seems to soil ph (which I need to test) and moisture level…
Ian W
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What are these orange clusters growing on my soil?

Went to water my lemon tree and found these orange clusters growing on my soil. It’s been in the 90’s all week, so I’m thinking the heat and moisture triggered this orange cluster. Maybe a sort of fungi?
Acacia
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What are the issues plaguing my lemon tree and how can I bring it back to glory?

Have just moved house and have a lemon tree that appears to be suffering from numerous issues. What exactly is causing the issues seen in the below pictures, and how can I effectively treat them? I've seen ants, spiders and other insects on the tree…
lukeic
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Lemon Meyer - unidentified disease

my young Meyer lemon tree has been growing something I though was bark. However it is not bark but brown spots with tiny white dot in the middle. They come off easily as you can see some of them on my fingers when i was holding my worstly infected…
deeet
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Dealing with spider mite infestation of new lemon tree

I am growing a lemon tree indoors. It got infested with spider mite (at least I think that based on the look of it see picture at the end). I noticed it bit late and it caused my lemon tree to loose all leaves on 1 branch. I applied this spray…
1muflon1
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What to do with this Meyer Lemon Tree?

I have a Meyer Lemon Tree that used to be doing well, but has lately been losing most of its leaves. See How to tell if indoor lemons are ready to pick for what it used to look like. I had it outside for a while, then brought it inside when it got…
bill999
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What is wrong with this lemon tree? What can be done?

My lemon tree, which is about 2-3 years old, has started developing nodules a few months ago, as in the picture below. There are also a lot of ants on it, and I believe the ants arrived around the same time as the nodules. Perhaps relatedly, some…
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Why are my lemon tree’s leaves curling?

Help! Our lemon tree’s leaves are completely curled. They started curling around four days ago or so. We thought it was an under-watering issue, but since a heavy watering nothing has changed (maybe even got worse).
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Should I transplant a lemon tree from the ground to a pot for winter

My lemon trees are about 3 inches tall ( as I planted them from seed ) we have cold winters here and am scared that they will freeze. I planted them in the ground about 3 months ago.
Ash
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Dots on lemon tree leaves

The leaves on my lemon tree have these small yellow and brown dots. I assumed these are some kind of pests or insects and have therefore been spraying them with neem oil every 8 - 10 days. I even removed some highly affected leaves, but they keep…