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4
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1answer
81 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?
4
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0answers
60 views

Arvei Nahal - species

Vayikra 23:40 provides the commandment to take up the 4 species on Sukkot: וּלְקַחְתֶּם לָכֶם בַּיּוֹם הָרִאשׁוֹן פְּרִי עֵץ הָדָר כַּפֹּת תְּמָרִים וַעֲנַף עֵץ עָבֹת וְעַרְבֵי נָחַל וּשְׂמַחְתֶּם ...
4
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0answers
32 views

*Tzomeach* (צוֹמֵחַ) in kashrus halacha

To find the kashrus status of an organism, we first need to correctly classify it as tzomeach, animal, bird, or fish, as each group has its own distinct requirements. E.g., animals need to chew cud ...
4
votes
1answer
77 views

What's meruach hak'ri and why do it?

In general, one is required to take t'rumos and maasros from grain only once the pile of grain is been smoothed (מירוח הכרי, meruach hak'ri). (I think other halachos also kick in then.) What exactly ...
3
votes
3answers
929 views

Is a bottle or jug of 100% pure maple syrup kosher without certification?

There are several farmers' markets scattered around the New York City area. Many of them carry bottles or jugs of 100% NY State or Vermont maple syrup. Occasionally I find Canadian maple syrup. (For ...
3
votes
1answer
187 views

What bracha should be made on hydroponics/aeroponics?

Hydroponics is a method of growing food (mainly vegetables) with their roots in water, not soil. Aeroponics is when it is grown in air, with the roots being sprayed. What bracha should be made on ...
3
votes
1answer
79 views

What species of esrog do people use?

I know Lubavitchers are makpid to use only Esrogim from Genoa (if not grown there, at least that species). What do other communities use? Does anyone still use Korfu?
3
votes
1answer
48 views

Giving ma'aser to a kohen

When one separates the "first tithe", which needs to be given to a ben Levi, may he give it to a kohen instead on the grounds that he is of Levi lineage? Would this at least work b'di'avad to relieve ...
3
votes
2answers
68 views

Peah on a circular field

If a farmer's field was perfectly circular and had no corners, how would peah be designated? Would it be exempt from peah? Would he designate the outer ring as peah?
3
votes
2answers
166 views

Plants growing out of the Kotel

Is there a special status awarded to the plants (shrubs?) growing out of the Kotel? Why don't they get rid of them, as their roots obviously have deleterious effects on the wall?
3
votes
1answer
211 views

Why don't Jewish people put flowers on graves?

I know that Jews have specific traditions regarding burial and cemeteries, and that one of these traditions involves putting pebbles on gravestones, which I think is quite beautiful, although I don't ...
3
votes
1answer
44 views

Would there be any maaser derabbanan on hydroponically grown plants?

Related: What bracha should be made on hydroponics/aeroponics? This question was originally mentioned by Rabbi Eliyahu Fink in his Daf Yomi shiur (Shabbat 128). He was talking about tevel d'rabanan -...
3
votes
1answer
87 views

Black Aravos on Succos

I have noticed some people using arovos which turned completely black towards the end of Yom Tov. When discussing arovos, the halacha mentions the importance of the green color, since it shows that it ...
3
votes
1answer
171 views

Which plants are most suitable for sukkah roofing?

In South Africa palm branches are very popular as schach because they stay green for long and cover a lot of space per branch. Many palm branch sellers advertise around sukkot time, and every year the ...
3
votes
0answers
73 views

Can the concept of Heter Mekhirah truly be supported from the Rambam?

Many of those who support the concept of the heter mekhirah today rely (at least in part) on their reading of the Rambam in various parts of the Mishneh Torah, most specifically in Hilkhoth Shemittah ...
3
votes
0answers
226 views

Watering Synthetic Grass on Shabbat?

Is there a problem of watering synthetic grass on Shabbat- If the synthetic grass has gaps or "holes" whereby the water can leak through to the earth underneath it? What if the earth underneath ...
3
votes
2answers
39 views

Hydroponics – Allowed on Seventh Year?

Would hydroponics be allowed in Israel on the seventh year, when there are additional restrictions on farming the land?
2
votes
2answers
164 views

Where on the date palm tree does the lulav come from?

Having looked at a number of date palms I cannot seem to locate where the closed fronds (lulav) on the date palms actually are. The majority of fronds that are visible on a date palm have open/...
2
votes
1answer
93 views

Rashi to Devarim 11 (11). In what way is mountain land superior to the land of the plain?

Rashi on Devarim 11 (11) "But the land, to which you pass to possess, is a land of mountains and valleys and absorbs water from the rains of heaven” says The mountain land is superior to the land ...
2
votes
1answer
46 views

will there be plants and animals in olam haba? [closed]

In the future eternal world of Olam Haba (i.e. the final destination following the resurrection of the dead as explained here) according to the opinions that the body and soul will be reunited, will ...
2
votes
1answer
45 views

Aquatic Plants for Aquarium During Shmita

I have a fish tank and was wondering if there are any restrictions to putting aquatic plants (fully submerged) inside to help with the water chemistry during the shmita. The plant's main function will ...
2
votes
1answer
39 views

Davening and a freshly fertilised lawn

Per Shaliach Tzibbur and passing gas, the Shulchan Aruch advises against davening or learning Torah when there is a foul smell. For many years, my schul did not have AC and every year the schul's ...
2
votes
0answers
58 views

Contemporary approaches to kashrut of dates

What are contemporary approaches regarding dealing with bug infestation of dates? Do Kashrut agencies (e.g. the Orthodox Union) regularly inspect crops to determine infestation levels? And if so, what ...
2
votes
0answers
27 views

Re-planting on Shabbath

If a plant was uprooted, is it considered a Melachah of planting to re-soil it on Shabbath? The simplest example would probably be that a child pulled a plant out of its pot on, or immediately before,...
1
vote
3answers
229 views

What green plants can I use for s'chach?

I use bamboo poles for s'chach (yes, real bamboo poles). They're great, but I would like a little green up there, if I can get it. Some years we used branches from the tree that was growing over our ...
1
vote
2answers
139 views

Planting grass during shmita

Is it permissible to plant grass during the shmita year? As this question indicates, there is a machloket regarding planting non-fruit trees during shmita. If grass is like a tree, it would be ...
1
vote
1answer
38 views

Is moving a potted plant with vegetables from the ground to a table change its status as far as Shmita?

If potted vegetables on the ground (considered shmita worthy) is placed on a table, does this change its status as far as the laws concerning shmita food?
1
vote
1answer
40 views

borei menei b’samim, flowers and fresh mowed grass

Someone told me that if one stops to smell the flowers he should remember to make the borei menei b’samim. Where is the source for this in halacha? Does one make borei menei b’samim if he enjoys the ...
1
vote
1answer
47 views

Agricultural events and the Jewish calendar

There are many dates in the Jewish calendar that are connected to agricultural events. They include: Shavuot is Chag Ha'Katzir, the Holiday of the Harvest - Shemot 23:16 Sukkot is Chag Ha'Assif, the ...
1
vote
2answers
85 views

What is “קוצר לשחת”?

The mishna, M'nachos 71 amud 1, says: קוצר לשחת ומאכיל לבהמה That is, under the circumstances described there (not important for this question), one is allowed to cut his grain לשחת and feed the ...
1
vote
0answers
48 views

Large scale hydroponics and Shmita

The gemara in Nedarim 59 (among many other places) discusses the concept of shmita produce and plants grown from them retaining their status when the original "seed" isn't destroyed when planted. In ...
1
vote
0answers
475 views

What happened to Canaan during the famine after Yaakov et al went down to Egypt?

During the famine Yosef collected all the money in both Egypt and Canaan. In the following year Yosef acquired ownership of all the land in Egypt (except the priests') for Paro, but it says nothing ...
0
votes
1answer
53 views

Is asking for a blessing in his granary asking for a miracle?

The Gemara in Taanis 8b says: "Ein Berachah Metzuyah Ela b'Davar ha'Samuy Min ha'Ayin" (blessing is found only in an item which is hidden from the eye) One who enters his granary to measure ...
0
votes
1answer
155 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 ...
0
votes
0answers
100 views

Pesach: Kitniyos Plants

Vegans have a hard time getting enough protein on Pesach. Is the plant that grows from a kitniyos seed also kitniyos on Pesach? What if the seed is still attached?