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I have been growing a "clementine tree" from seed for about three years now and decided that I might want to experiment with some grafting onto it. So, I went away to try and went way overboard (as is usual). I planted store bought citrus seeds from all of the following in addition to the single clementine plant. I now have at least five seedlings of each below to experiment with:

1 Key lime seedlings

2 Kumquat seedlings (Nagami)

3 Blood orange seedlings

4 Lemon seedlings

I did not want to use grapefruit because of the much larger fruit and long maturation time. My questions now mostly involve "what kind" to graft onto "what kind" for a reasonably good result. What kind might be best for the root stock? Can I graft three or four of these together successfully? I was thinking Lemon/Key lime/Kumquat/clementine together etc. but, I then noticed how many differences there were between the seedlings (vigor, size, and speed of growth). I think I also read that Key limes and Kumquats grow true from seed and bear fruit sooner. Can anyone advise about potential best grafting combination(s)?

I live in the Northeast and will be growing potted plants indoors/outdoors as the seasons permit.

  • What kind of reasonably good result are you wanting? What improvements are you hoping for? Why do you want to graft? – Shule Jul 7 '18 at 22:22
  • I understand that Kumquat rootstock is poor, so I would definitely graft those onto another. Then I got curious (since I now had five varieties) if I could (eventually) graft them all onto one tree (you can buy multiple grafted trees - expensively). Then I was curious about proximity grafting some while still young seedlings in a few months to further experiment and save time. The bottom line question became, since these are all seed grown plants to be grown in pots, is one or two of the varieties (maybe the lemon or key lime?) a more vigorous root stock? Any "preferred" combinations here? – user22542 Jul 9 '18 at 10:26

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