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tobina_gw

Yet another Meyer Lemon leaf drop scenario...

18 years ago

I am keeping 3 small Improved Meyer Lemon trees on a heat mat in my garage under a grow light. I don't THINK I've been over-watering, but I did just water them 2 days ago. Now one (and only one) of the trees is dropping leaves like mad. Interestingly, they are old leaves...two strong new branches have big leaves that are doing just fine. This particular tree is one of two that I left in the 1-gallon pots I bought them in. The tree is also most directly under the grow light of the three.

Do these trees need fertilizer in the winter??? I haven't fertilized them (though I have citrus/avocado granulara fertilizer) since the summertime. Should I remove the heat mat beneath the trees? My garage is NOT cold. I'm seeing quite a bit of conflicting advice regarding heat/cold and growth v. dormancy in the winter and am not sure what to do...

I've also read enough about CHC and peat from old posts to feel ashamed that I should even attempt growing lemons without having this stuff. I also found an article @ ladyslipper.com that made me feel like I was back in pharmacy school studying for MedChem again. Is this really that complicated?

P.S., no s/sx of insects and again the leaves that dropped are all old and were a fine dark green color; none of the plant has any leaves that could be considered yellowed.

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