OT: Lemon Tree

tommysmommy(Colorado)March 12, 2012

Okay all you tropicals growers. I have a question regarding my 10 year old lemon tree. It's been in the same pot for years, reliably set fruit for most of those years, until just the last few. Any ideas why it's not setting fruit from its hundreds of blossoms? Same window as in years past, same fertilizer. Can't pot up or it will be too heavy.

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Have you tried asking on the citrus forum? The majority of my citrus fruit abort early on, especially when there's a lot of blooms, but they've always done that.

    Bookmark   March 13, 2012 at 9:33AM
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Um, good thought. I'll do that.

    Bookmark   March 13, 2012 at 4:54PM
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sultry_jasmine_nights (Florida 9a)

Maybe it just needs to have the soil changed. I imagine many years in the same pot would use up the nutrients in the soil even if its getting fertilizer or the soil could become very compacted after a long time. I do keep several citrus in pots like buddahs hand, all my diffent limes, lemons, grapefruits, pummelo and blood oranges in pots but keep the regular oranges and kumquats in the ground. Some of the larger ones I do not pot up anymore. My buddah's hand and thai limes are 8 feet now and I have to use a hand truck to get them around and even that is a pain lol. I do repot their soil every couple years or so though without going up to a larger pot. I root prune lots of trees beside just citrus and it doesn't seem to bother them too much. I have tall sausage trees that I prune off all thier roots every winter and shove them into tiny pots and keep them dry all winter.

Citrus will generally drop most of thier fruit or blossoms and only keep around 10% while they are young trees.

    Bookmark   March 16, 2012 at 4:56PM
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SJN, when you repot without going up a pot size, do you remove soil from the roots, and how far in to the rootball do you go? I've been trimming the tree back every year to keep it small. Not heightwise, as it has never gone above 4-4 1/2 feet, but widthwise. I'm quite sure the plant is rootbound, but sure don't want to wrestle with another big pot.

    Bookmark   March 18, 2012 at 9:34AM
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When I repot in the same pot I saw off the bottom third of the rootball and perhaps saw off some of the sides as well.
It sounds drastic but they love it.

    Bookmark   May 6, 2012 at 1:03PM
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I did repot, into the same pot, gave it new potting soil and scraped off an inch or more around the whole thing. Not as drastic as what you did, cearbhaill, but I'm watching it for a while to see how it does. It just keeps flowering, but the leaves appear to be less than perky.

    Bookmark   May 9, 2012 at 9:43AM
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