For those of you further north (zone 7a and north) there is an outstanding combination. I say combination because you need two types of trees for cross pollination - Dichogamy group I and II. When the pollen is viable on one type tree the nutlets (pistilate - female flowers) are viable on the other and vice-versa but not at the same time. Anyway you need a tree from group 1(one) and another from Group 2 (two). The combination I am talking about (for more northern areas) is Osage released in 1989 and Kanza released in 1996. Osage is type 1 and Kanza is type 2 making them highly compatible for cross pollination.
The nut size is a little smaller than some but they will grow further north. They are both very good tasting pecans and shell out well. They are both early ripening varieties, which is good for more northern areas. Kanza and Osage are both scab resistant and are moderately resistant to most pecan diseases, making them good candidates for eastern areas as well.
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