So I have two oranges and two lemons (Meyer, Kaffir). After the texas winter freeze, the trees are growing from below the graft or at the point of the graft. I have no growth on the branches. Does it mean it its dead? Will the trees bear fruits? I read some where that if it grows below the graft, the trees are no good. See attached photo of the full tree and closeup of the growth.
You have some growth that could be the original citrus and some that is root stock. The first photo looks like an orange or lemon. The last two definitely show some root stock. Rip off any sprouts that have leaves in threes. That is Trifoliate orange which is not really edible and has impressive thorns. Cut back the dead looking branches gradually and see whether the inside is still a little green. If it is brown and brittle, that part is dead. The only citrus that survived for me was a kumquat. I don't expect any fruit this year or next.
The rootstock is taking over because the scion is dead in all pictures. I am sorry to bear bad news.
If the top picture is that of one lemon those are Volkamer leaves: this is a group of lemon rootstocks much used both in the industry and home gardening because they allow high yields at high densities.
If you can find scions, you can recycle the rootstock and graft your new scions on them, otherwise you are just better off digging them out and replacing them.
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