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"Three times a week they went out to the greenhouses behind the castle to study Herbology, with a dumpy little witch called Professor Sprout, where they learned how to take care of strange plants and fungi, and found out what they were used for."
Harry Potter[src]

Herbology is the study of magical and mundane plants and fungi, making it the wizarding equivalent to botany. In Herbology, students learn to care for and utilize plants, and learn about their magical properties, and what they are used for. Many plants provide ingredients for potions and medicine, while others have magical effects of their own right.

Class location

These classes are held in the grounds of Hogwarts, in the greenhouses. The greenhouses are located below the two main Bell Towers of the castle. Classes are held in different greenhouses depending on the students' year, with more advanced and dangerous plants typically reserved for O.W.L. or N.E.W.T.-level study.

Class information


Professor Sprout teaching a class

Herbology is a mandatory class at Hogwarts for the first five years of a student's education.

Students spend class time learning about the different varieties of magical plants that exsist. The further into a student's education the more difficult and dangerous the plants become.

 In the fifth year students take Ordinary Wizarding Level examinations, much of the year is spent working with a variety of more dangerous plants like the Fanged Geranium, as well as revisiting the past four years of lessons. As part of their Herbology O.W.L, students must sit a written exam, and then complete a practical exam, during which the students work with a wide selection of plants.

1992 Herbology

second year Herbology class

Students who achieve an 'Exceeds Expectations' grade or higher in their Herbology O.W.L. move on to the advanced class, where the plants become more dangerous still. At the end of there seventh year students prepare for their N.E.W.T.s.

Pomona Sprout was at Hogwarts as Herbology professor in the 1990's; by 2017, however, she had either been replaced by, or was working alongside Neville Longbottom, who was likewise a professor. Neville was one of her students in the past, and a gifted herbologist.


First Year

Second Year

Third Year

Fourth Year

Fifth Year

Sixth Year 

Known equipment


Dragon-hide gloves

  • Dragon dung – used as fertiliser (Professor Sprout's fertiliser of preference).
  • Dragon dung compost – used for planting.
  • Dragon-hide gloves – worn when handling dangerous plants.
  • Earmuffs – worn by students and the professor when repotting Mandrakes, so they could not harm students with their sound.
  • Mooncalf dung – used as fertiliser, makes magical plants grow well.
  • Wand - to cast Herbology-related spells, such as Diffindo or Incendio.

Kown Professors

Required textbooks


One Thousand Magical Herbs and Fungi

Known O.W.L.s

Behind the scenes


Notes and references

  1. Harry Potter and the Philosopher's Stone (Chapter 8 - The Potions Master) (pg. 99 UK edition)
  2. Harry Potter and the Deathly Hallows (Nineteen Years Later) (pg. 606 UK edition)
  3. Harry Potter and the Half-Blood Prince (Chapter 14 - Felix Felicis) (pg.283 American edition)
  4. Harry Potter and the Chamber of Secrets (Chapter 6 - Gilderoy Lockhart) (pg. 72 UK edition)
  5. Pottermore - Hogwarts School Subjects (J.K. Rowling's thoughts)

Wizarding Education
Beauxcrest Hogwarts shield DurmstrangCrest
The Eleven Schools: Beauxbatons · Castelobruxo · Durmstrang · Hogwarts · Ilvermorny · Koldovstoretz · Mahoutokoro · Uagadou
Specialised schools: Academy of Broom Flying · Charm School · Euro-Glyph School of Extraordinary Languages · Merge School of Under-Water Spellage · Wizarding Academy of Dramatic Arts
Examinations: First year exams · Second year exams · Third year exams · Fourth year exams · Ordinary Wizarding Level · Nastily Exhausting Wizarding Test
Core classes: Astronomy · Charms · Defence Against the Dark Arts · Herbology · History of Magic · Potions · Transfiguration
Elective classes: Alchemy · Arithmancy · Care of Magical Creatures · Divination · Muggle Studies · Study of Ancient Runes
Extra-curricular classes: Apparition · Advanced Arithmancy Studies · Ancient Studies · Art · Flying · Frog Choir · Ghoul Studies · Hogwarts orchestra · Magical Theory · Muggle Art · Muggle Music · Music · Xylomancy

Professors: Herbert Beery · Pomona Sprout · Neville Longbottom
Textbooks: Flesh-Eating Trees of the World · Goshawk's Guide to Herbology · Magical Water Plants of the Mediterranean · One Thousand Magical Herbs and Fungi · Winogrand's Wonderous Water Plants
Hogwarts class: Herbology Award · Herbology Lesson Cup · Herbology Race Cup · Herbology Store
Hogwarts greenhouses: One · Two · Three · Four · Five · Six · Seven · Professor's Office
Herbologists: Herbert Beery · Miranda Goshawk · Elladora Ketteridge · Beaumont Marjoribanks · Nepali wizard · Phyllida Spore · Tilden Toots · Hadrian Whittle · Sir Winogrand · Selina Sapworthy
Plants Studied: Bouncing Bulb · Bubotuber · Devil's Snare · Fire Seed Bush · Mandrake · Mimbulus Mimbletonia · Puffapod · Screechsnap · Self-fertilising shrub · Snargaluff · Spiky Bush · Spiky Prickly Plant · Umbrella Flower · Venomous Tentacula · Walking plant · Whomping Willow · Wild rice

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