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16
votes
6answers
408 views

G'dolim or Rabbis Owning Pets

Are there any g'dolim (or rabbis of major influence) - past or present - who are known to have owned pets/kept animals for non-agricultural purposes?
8
votes
1answer
120 views

Animals vs. plants: kashrus

Why did God make all plants, but only some animals, kosher? Sources, please.
4
votes
1answer
515 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 ...
7
votes
3answers
98 views

Why do we put out greenery on Shavuos?

Those that have the Minhag to put out greenery in the Shul on Shavuos, why do we do it?
4
votes
2answers
66 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 ...
5
votes
1answer
116 views

Plants before the Sun in the Order of Creation

Why does plant life precede the Sun in the order of creation given that plants need the Sun to do photosynthesis?
4
votes
2answers
181 views

Why don't we distribute Ma'aser Rishon or Ma'aser 'Ani nowadays?

Produce grown in the Land of Israel has to have Teruma, two of three different kinds of Ma'aser, and Terumat Ma'aser removed, as described in this OU Kosher article. Of these five separations, three - ...
4
votes
3answers
110 views

Green pretty shavuot?

Why is there a custom to hang up flowers and growing green things on shavuot?
11
votes
1answer
188 views

How did plants survive the Mabul?

Inspired by this answer: As far as I can tell, there is no mention of Noach bringing plants into the ark. Moreover, it appears Noach had nothing to do with the survival of the plants, given that the ...
10
votes
1answer
167 views

Are plants that exhibit rapid plant movement considered non-Kosher animals?

There is a question here asking if sea sponges are Kosher. The answers seem to center around the idea that regardless of if they have animal cells, a halachic classification might depend on how it ...
10
votes
3answers
309 views

Halachic status of kamut

Khorasan wheat, often known by one popular brand name thereof, KAMUT®, is an ancient grain that is related to modern-day wheat, but has a number of differences. Does it have the halachic status of ...
8
votes
1answer
153 views

Is a Jewish farmer allowed to raise animals for non-kosher slaughter?

Is a Jewish farmer allowed to raise animals for non-kosher slaughter? Does it make a difference whether it is a non-kosher animal (e.g. pig), vs. a kosher animal? Does it make a difference whether the ...
6
votes
2answers
92 views

How long does soil need to last?

If you move a tree with its soil, it's considered replanted (so the rules of orla kick in) unless it can live off of the soil you're moving it with. (Source.) Clearly "if it can live" doesn't mean "if ...
6
votes
3answers
212 views

Orla: are the leaves of the plant included in the prohibition?

I have recently planted a grape vine. The nursery insists that it is at least 1 year old (and the size of the plant suggests no less than 2 years old). It was planted with it's roots entirely ...
4
votes
1answer
164 views

Can one test God with Shmita?

In Vayikra 25: 20-22 (below) God says that he will guarantee a bountiful harvest if the Shmita is observed. Unlike other promises of spiritual reward, this one is easily quantifiable with observable ...
4
votes
2answers
116 views

Why did Noach plant a vineyard?

The first mention the torah makes of wine and vineyards is in Gen 9:20-21, when Noach plants a vineyard and then gets drunk on wine after the flood. What prompted him to plant a vineyard as, ...
4
votes
1answer
67 views

What is the earliest source mentioning that Jews put out greenery on Shavuos?

What is the earliest source mentioning the Minhag that Jews put out greenery on Shavuos?
0
votes
1answer
96 views

What conditions would render plants non-kosher?

Under certain conditions, I know that uncontaminated (e.g. no insects / meat, etc) plant-based foods are prohibited (ie., non-kosher). Examples I can think of include: Non-kosher wine Chometz ...