Orla
Which Fruit Is Orla
Do not eat tree fruit for the first three years of the tree (orla); any tree fruits from the fourth year (neta revai) must be redeemed with a pruta before eating, even outside of Eretz Yisrael.
Which Uses Are Prohibited
Which Part of the Plant Is Prohibited
Who Is Prohibited from Growing Orla
Orla Planting Deadline
How To Calculate When Orla Is Over
You may eat tree fruit if the tree's buds appeared after Tu B'Shvat of the fourth year. This may be a span of only 2.5 years if the tree was planted on or before Tu B'Av (at least 45 days before Rosh Hashana):
Doubt about Tree Age in Eretz Yisrael
Doubt about Tree Age outside of Eretz Yisrael
Transplanted Trees
Grapes outside of Eretz Yisrael
Outside of Eretz Yisrael, only grapes (not other types of “tree” fruit) need to be redeemed in the fourth year of their growth in order to eat them.
Papayas in Eretz Yisrael
Papayas grown in Eretz Yisrael may not be usable, since papaya trees don't normally live for four years.
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