Kotzer

From Halachipedia

Uprooting or severing a plant

  1. Uprooting or severing any part of a living plant is forbidden on Shabbat under the category of Kotzer (Harvesting). [1]
  2. It is forbidden to break a branch off a tree, remove a leave, pick a fruit or flower from a tree on Shabbat. [2]

Picking fruits

  1. Picking a fruit on Shabbat is forbidden. [3] However, one may remove a fruit from a branch which was detached from the tree from before Shabbat. [4]
  2. It is forbidden to detach fruit whether it is fully ripened or shriveled. [5]
  3. It is forbidden to pick mushrooms or remove moss from a rock it is growing on. [6]
  4. It is forbidden to smell a fruit attached to the tree, however, one may smell a flower. [7]
  5. Fruit which fell from a tree on Shabbat may not be handled on Shabbat, however, if one is sure that the fruit fell before Shabbat one may handle it on Shabbat but one may collect two or more fruits. [8]

Vegetables and seeds

  1. One may not remove bean sprouts from the moist environment of the container if it has struck root. Therefore, one should make sure to remove the sprouts from the jar from before Shabbat. [9]
  2. However, if one left vegetables on a damp floor and they sprouted (which is common in onions and potatoes) one may pick up the vegetables (as long as it is not Muktzeh, however, raw potatoes are Muktzeh). Additionally, one may cut off these sprouts on Shabbat (but one should be beware not to violate Borer and so one should cut off the sprout with a part of the bulb). However, if vegetables sprouted in a dirt floor one would not be allowed to removed them. [10]
  3. One may carry seeds (that are not Muktzeh) that did not begin to sprout across a lawn, however, once the seeds began to sprout one may not carry it across the lawn. [11]
  4. If a seed fell on the ground one may pick it up if it has remained on the soil for less than 2 or 3 days and according to some views it also not have been covered with dirt for growing purposes. [12]

Walking on plants

  1. One should avoid running through tall grass or shrubs because there it's likely some grass will be uprooted. [13]
  2. One may not walk on delicate plants such as flowers whose stems will snap if stepped on. [14]
  3. It is forbidden to kick a dandelion because doing so will detach the pollen from the plant. [15]
  4. It is permissible to walk, sit, or play on grass on Shabbat. [16]
  5. It is permissible to feel or handle grass on Shabbat. [17]

Potted plants

  1. Severing a part of a potted plant is forbidden. [18]
  2. If a potted plant is resting on soil or a lawn or suspended above soil or a lawn, one may not lift it and bring it indoors. This is only true if the pot has holes or the leaves overlap the rim of the pot. [19]

Using a tree

  1. One not use a tree on Shabbat. This prohibition includes leaning on a tree, shaking a tree, placing objects on a tree, and removing objects from a tree. [20]
  2. A ladder which is leaning on a tree is considered indirect use of the tree and its use is also forbidden. A tree house may also be included in this category. [21]
  3. One may not leave items that will be needed on Shabbat on a tree before Shabbat because one may come to remove it from the tree on Shabbat. [22]
  4. One may not use a dead tree just like one may not use a live tree. However, one may sit on a dead tree stump. [23]
  5. One may not smell a fruit that's attached to a tree on Shabbat. [24]

Using an animal

  1. It is forbidden to ride an animal on Shabbat as a rabbinical restriction lest one detach a tree branch in order to have a stick to prod the animal. [25]
  2. It is forbidden to place something on an animal or remove it from an animal on Shabbat, nor may one lean on an animal on Shabbat. [26]

References

  1. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 281), Shemirat Shabbat KeHilchata 26:10
  2. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 281), Shemirat Shabbat KeHilchata 26:10
  3. ↑ S”A 336:12
  4. ↑ Shemirat Shabbat KeHilchata 26:10 quoting Rama 336:8, Biur Halacha 336:8 D"H SheNishpach writes that one shouldn't remove a fruit unless the branch is completely detached from the tree. Shemirat Shabbat KeHilchata (chap 26 note 38) quotes a dispute between the Machsit HaShekel and Pri Megadim whether one is allowed to remove leaves from a branch that was detached from the tree from before Shabbat.
  5. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 289)
  6. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 283), Shemirat Shabbat KeHilchata 26:10
  7. ↑ S"A 336:10, 39 Melachos (Rabbi Ribiat, vol 2, pg 301)
  8. ↑ S"A 322:3, Mishna Brurah 322:5 and 6, 39 Melachos (Rabbi Ribiat, vol 2, pg 302)
  9. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 283-4)
  10. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 285-7)
  11. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 288)
  12. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 288-9)
  13. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 291) quoting Biur Halacha 336:3
  14. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 291)
  15. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 291)
  16. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 299)
  17. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 299)
  18. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 291)
  19. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 292)
  20. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 294-5)
  21. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 295)
  22. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 297)
  23. ↑ 39 Melachos (Rabbi Ribiat, vol 2, pg 298)
  24. ↑ S"A 336:10
  25. ↑ S"A 305:18
  26. ↑ 39 Melachos (vol 3, pg 301) based on S"A 305:8, 18
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