I “T” budded 4 kumquat buds to a rough lemon tree (Citrus jambhiri) about 18 months ago. All branches doing great so far. I’d give any citrus a try on Eureka, even knowing that it may not work. If it works out you will have a one of a kind tree in your collection!
Kumquat inverted “T” bud on rough lemon:
