Kaffir Lime Care – Why is There No Fruit?
by Kasma Loha-unchit
18. "My Kaffir Lime is Large and Healthy but It's Not Fruiting"
If you've had your kaffir lime tree for a few years and it has grown big, lush and healthy-looking with lots of deep green leaves, but it just won't flower and fruit, the problem might be that your plant is not getting enough light. The light can be either sunlight or very bright indirect light over most of the day. If your plant is in a shady spot, you might want to move it to a sunnier spot (do this gradually to acclimate the plant) if it is grown in a planter. If it is in the ground and is surrounded by other tall plants or is near a tree, you can prune the tree or surrounding plants to let in more sun.
If you think your plant is already getting enough light and still is not fruiting, then maybe it's the food you've been feeding it.. You might need to give your plant a fertilizer with a higher phosphorus (the second number in the three-number sequence on the fertilizer label) and potassium (third in the three-number sequence) content than nitrogen (the first number). These major nutrients are needed for fruit formation and for the proper ripening of fruits and seeds. Nitrogen, on the other hand, promotes strong, vigorous growth and when it's excessive in relation to the other two, lush, thick foliage growth can take place at the expense of fruit production.
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