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Questions tagged [kilayim-forbidden-mixture]

For questions about certain Halachically forbidden mixtures including: cross breeding animal species, inter-species tree grafting, and sowing a field with multiple species of vegetable. For clothing of wool and linen use the [shatnez] tag.

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What is the minimum size for a vineyard to be obligated against Kilayim

According to Halacha, a vineyard is prohibited from being mixed with different fruits or seeds, also known as Kilayim. My question is what is the minimum size/shiur for a vineyard to exist by halachic ...
Kirk's user avatar
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3 votes
1 answer
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Does Kilayim apply to non-food plants [duplicate]

The Mishna of Kilayim mostly refers only to food plants. I see only a few references to non food plants (below) It doesn't seem like they are on the same level as food plants but there is still "...
Clint Eastwood's user avatar
3 votes
1 answer
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Does the prohibiting of Kilayim apply to hydroponics

According to Halacha, does the prohibition against Kilayim, mixing different types of vegetables/grafting different types of trees together apply if they are grown on hydroponics, or no? Would it be ...
Kirk's user avatar
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3 votes
1 answer
121 views

Genetic engineering an animal with a different kind of animal’s dna

Does halacha permit or prohibit a Jew to genetically engineer an animal with the DNA of another kind of animal, or is this considered “Kilayim” the forbidden mixing of two animal species? Sources for ...
Kirk's user avatar
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2 votes
0 answers
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IVF for crossbreeding animals

The prohibition that one gets מלקות for in the case of כלאי בהמה is only כמכחול בשפופרת. It is in fact permitted to have the two animals "live" in the same stall in the expectation that they ...
moses's user avatar
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6 votes
1 answer
929 views

Can Jews Eat Hybrid Foods?

Are Jews allowed to eat crops and animals that have been hybridized? Whether crossbred themselves or by a non-native?
Mikayah Yisrael's user avatar
1 vote
1 answer
60 views

Kila'ei Hakerem - why 16 amos radius?

Mishna Kila'im 5:5: הַנּוֹטֵעַ יָרָק בַּכֶּרֶם אוֹ מְקַיֵּם, הֲרֵי זֶה מְקַדֵּשׁ אַרְבָּעִים וַחֲמִשָּׁה גְפָנִים. אֵימָתַי, בִּזְמַן שֶׁהָיוּ נְטוּעוֹת עַל אַרְבַּע אַרְבַּע, אוֹ עַל חָמֵשׁ חָמֵשׁ. ...
Shaul Behr's user avatar
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2 votes
2 answers
612 views

Halachic status of Beefalo

I just learned of the existence of the beefalo: I was wondering: a. Is it considered Kil'ayim (a forbidden hybrid)? b. Is it kosher, that is, can it be slaughtered and eaten (I think this would ...
Harel13's user avatar
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3 votes
1 answer
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More than 5 seeds on 6x6 tefachim!

Shabbat Mishnah 84b teaches that one can plant 5 types of seeds on a 6 tefachim by 6 tefachim patch without violating kilayim because one can arrange for plants to be at least 3 tefachim apart. ...
sds's user avatar
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1 vote
2 answers
161 views

Mixing left-to-right with right-to-left writing within the same text

Given that so many Ashkenazi and Sephardi Rabbis throughout the centuries have mixed Yiddish and Romance words with Hebrew script, I am somewhat inclined to expect, by way of analogy, that it was ...
user avatar
5 votes
1 answer
166 views

In what way are hybrid plants/trees prohibited?

The source in Torah is from vayikra ch 19 verse 19 You shall observe My statutes: You shall not crossbreed your livestock with different species. You shall not sow your field with a mixture of seeds, ...
Dude's user avatar
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2 votes
0 answers
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Why does R' Yishmael require the fields to alternate in Kilayim 3:6?

Kilayim 3:6 poses the case of a field sown with onions, and one wishes to plant gourds in this field. There are three opinions as to how much one should uproot, and as they pose their opinions in very ...
DonielF's user avatar
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1 vote
0 answers
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Why can't you cut down a wheat stalk before planting the other species?

The Mishnah in Kelayim 2:3 records that if one wishes to plant barley in a field currently seeded with wheat, or vice versa, he must wait until the field is wormy, plow it, and then he may seed it. If ...
DonielF's user avatar
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2 votes
1 answer
135 views

Sowing your field with 2 different seeds "kilayim" does this apply to outside of Israel as well? [duplicate]

Today i ran into a relative that was doing this and mentioned the forbidden law of doing this, he then replied to me that outside of Israel it is allowed. Is this true? And if so does all of judaism ...
TheTribeOfJudah's user avatar
6 votes
3 answers
592 views

Acceptable to receive transplant of organs grown inside pigs?

If scientists could grow human organs inside of pigs, would it be halachically acceptable to receive a transplant of such an organ? A recent article in National Public Radio about US and British ...
Judah Gabriel Himango's user avatar
2 votes
0 answers
80 views

The blessing of Pru U'rvu

"The reason why a mule cannot reproduce is because is wasn't blessed by the blessing of Pru U'rvu during the Six Days of Creation. " Someone showed this to me while I was learning in Israel. I ...
Shmuel's user avatar
  • 31
17 votes
4 answers
2k views

Is AquAdvantage salmon kosher?

After two decades of deliberation, the USA's Food and Drug Administration has approved the first ever genetically engineered food animal, a fast-growing Atlantic Salmon called AquAdvantage salmon. ...
Adám's user avatar
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4 votes
1 answer
177 views

How do we know that non-hechshered food is not kilayim or kilay hakerem?

"Kilayim" and "kilay hakerem" are two classes of prohibitions on eating from "mixed" fields (in which more than one type of crop is planted.) "Kilayim," as I understand it, specifically refers to the ...
SAH's user avatar
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8 votes
1 answer
788 views

Kilayim in Chutz la'eretz

What is the din with regards to kilei hayerek in chutz la'eretz? I see that many people have gardens in their backyards with vegetables right next to each other of different types.
Mkroll's user avatar
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6 votes
1 answer
225 views

Does Kelayim apply to road cantaloupe/courgette?

A neighbour of mine, on the American east coast had a fire hydrant replaced in front of the house, right at the curb, and the fill used settled leaving a hole. He filled it with compost. Alas he now ...
geoffc's user avatar
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3 votes
1 answer
205 views

Kilaim of inedible plants?

Does Kilaim apply to plants with no edible parts, like grass? Do homeowners need to be concerned with how they landscape if they have only plants with no edible parts in their plans?
Seth J's user avatar
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19 votes
1 answer
500 views

Mushrooms in a Vineyard

The bracha on a mushroom is "shehakol" because the Talmud (Berachot 40b) correctly (I think) states that mushrooms do not derive their nutrients from the ground. If a mushroom is growing in a ...
Double AA's user avatar
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4 votes
1 answer
2k 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 ...
Shalom's user avatar
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