Lemon Trees

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  1. Problem With Indoor Lemon Tree
  2. Pink Lemon Tree and Lime Tree
  3. Variegated Lemon Tree
  4. I Have Recently Acquired a Small Indoor Lemon Tree Which Is Now Flowering
  5. Eureka Lemon Tree
  6. lemonitis?
  7. Watering Flowering Citrus vs. Fruit Bearing Citrus
Asked by Anonymous on January 2, 2011
Problem With Indoor Lemon Tree

My lemon tree was given to us about 10 years ago. It was covered with brown scale. I treated it for that and it does produce lemons. The ones now are very large. I believe they are growing on a new shoot that has come up from the roots. This shoot has thorns. The rest of the tree does not. Before this shoot came up, the other part of the tree produced fruit.

Most of the time the leaves look very unhealthy. They are dull and mottled with yellow. I know it needs repotting, and I will do that this spring when I can get it outside. What kind of fertilizer should I be using? It is about 5 feet tall and in maybe a 3-4 gallon pot next to a large window on the south in our garden room. I do prune small dead branches and occasionally live ones for shaping for indoor growing.

ANSWERS
Nikki
Certified GKH Gardening Expert

You have a sucker that is taking away from the rest of the tree. It needs to be removed before it takes over the tree completely.

This article will explain more about suckers and their removal: http://www.gardeningknowhow.com/ornamental/trees/tgen/tree-sucker-removal-and-tree-sucker-control.htm

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Asked by Anonymous on January 4, 2011
Pink Lemon Tree and Lime Tree

I have a pink lemon tree and a lime planted outside in Naples, FL. They have been in the ground for three years and are approximately 8-10 feet tall. Neither have bloomed or bore fruit.  They were fertilized in fall and spring. I sprayed with soapy dishwater only to get webby bugs in November. Any help?

ANSWERS
Nikki
Certified GKH Gardening Expert

Are they getting enough sunlight? That would be the next thing to look at. Another thing to look at would be the water. Are they getting enough water? Both of these issues can affect their ability to bloom. Just to be on the safe side, I would also recommend having the soil tested. Even though you fertilize, there may be something lacking or over abundant in the soil.

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Asked by Anonymous on January 15, 2011
Variegated Lemon Tree

I get wonderful fragrant blooms, but the fruit doesn’t set. Can the tree be self-pollinated by hand?

ANSWERS
Heather
Certified GKH Gardening Expert

If you feel the tree is not setting fruit due to pollination, it can be hand pollinated. Simply take a small paint brush and swirl it around in the blossoms and move from blossom to blossom.

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Asked by lenparker on January 27, 2011
I Have Recently Acquired a Small Indoor Lemon Tree Which Is Now Flowering

which is now producing a number of flowers, Do these flowers require fertilisation ?

ANSWERS
Heather
Certified GKH Gardening Expert

If you would like fruit, then yes they will need to be pollinated. If the lemon tree is small, you may want to hold off until the lemon tree is larger. But if it is large enough that you feel it can support fruit, you can pollinate the flowers by using a small paintbrush to swirl inside the flowers and this will pollinate them.

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Asked by julie fullerton on January 29, 2011
Eureka Lemon Tree

I have been given a Eureka Lemon Tree as gift. It is currently 2 metres tall and in a pot. Flowers are blooming, it is tall and slim. Can I plant next to a wall?
Will the tree bush out? Or should I put it in a very large pot free of the wall?

ANSWERS
Heather
Certified GKH Gardening Expert

As long as you live in a climate where it can survive outdoors, it can be planted next to a wall. Walls are great for citrus because they bounce back heat, which the plants love. You will need to prune it to keep its branches from rubbing against the wall or you can choose to espalier it (http://www.gardeningknowhow.com/garden-how-to/projects/espalier-instructions.htm). Lemon trees are not aggressive and will not harm your wall, but you just have to take steps to make sure the wall does not harm the tree.

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Asked by digga on February 1, 2011
Lemonitis?

My lemon (unknown type) has started to sprout the seeds while still in the fruit and on the tree. It’s about 12 years old and was neglected by our tenants for nine of those years. Is this a cultivation, feeding, or a position problem?

ANSWERS
Heather
Certified GKH Gardening Expert

This is referred to as vivipary or a viviparous mutant. It happens because Abscisic acid (which keeps the seeds from germinating) in the fruit either break down or are not produced in high enough quantities.

Lack of Abscisic acid can have a few causes. One would be unusual exposure to cold. Another is that the fruit produced or the plant itself has a mutation. It can also be caused by nutrient deficiencies, which would happen after neglect like you describe.

Since the tree has not done this before during its fruiting life, this is likely that this is a one time issue. Resume proper care and it will correct itself.

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Asked by Anonymous on February 9, 2011
Watering Flowering Citrus vs. Fruit Bearing Citrus

I have a dwarf lemon tree in a container (18 years old), and a Bearss lime in a container. My luck with the lemon tree had been spotty until I read a few years ago somewhere that flowering lemon/lime trees need a lot of water; and when it gets to fruit bearing stage, it needs less (twice a week vs. once a week/approx). I didn’t write it down and now I’m worried it may be vice-versa! I don’t want to mess it up, and I’m starting to wonder if I have it backwards. My lime tree started with 14 baby limes and now just has 8. My lemon tree has a ton of blooms on it and I don’t want to loose whatever babies I get.

ANSWERS
Nikki
Certified GKH Gardening Expert

When growing fruit, citrus trees do need quite a bit of water. I would not cut back water for them when they are fruiting, especially when they are in containers. In the ground, they can access water from deeper depths, but in containers, you are their only water supply and it is just best to keep them well supplied for best growth. I would suggest regular water while flowering and more water while fruiting, especially early on when fruiting.

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