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4
votes
1answer
489 views

What would be an example of permitted vs prohibited cross-grafting with fruit trees?

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 ...
4
votes
2answers
60 views

Cutting down fruit tree not worth its upkeep

There's a general prohibition to cut down fruit trees (see this question), based on 'bal tashchis'. Would the prohibition apply even to fruit trees that are expensive to maintain (and do not produce ...
4
votes
2answers
144 views

Tu B'shvat Seder

Where did the idea of doing a Seder on Tu b'Shvat come from? Why a Seder, not just the eating of fruit? Why do we call it a Seder if there is no formalized way of doing it?
2
votes
1answer
109 views

Earliest source for diping apple in honey on Rosh Hashana

What is the earliest source for the custom of dipping an apple in honey on Rosh Hashana? (It is found in the Tur (Siman 683), the Abudraham (quoted by the Rama there) - believed to be a student of ...