I recall learning that la'asid lavo the trees themselves will be edible (ta'm ha'etz k'tam hapri) as in gan eden. I cannot find the source for this though.
What blessing would one make on leaves from [woody] trees that are routinely eaten? Is it ha'eitz, because they came from a tree? Is it ha-adama, because they're not "fruit" but are vegetative? Is it ...
I haven't studied Tractate Kilayim. I know you can't plant grapes with wheat. What about, say: Jazz apple = Royal Gala apple X Braeburn apple ? Nectarine = Peach X Plum ? Nectaplum = Nectarine X ...
What's the correct Brocho to say on Hearts of Palm?