Being exposed to many unusual plants and strange parts of creatures for potion making (link to potions) and general Herbology is part of every day lessons at Hogwarts. (Note, although many ingredients appear from books four and up, only necessary and non-spoiler details are given.) Learn all about Mandrake, Devil's Snare, rosewood, sage, and streeler venom here!
| Name | Note | Reference |
| aconiate | also wolfsbane, also monkshood | Sorcerer's Stone |
| ash | wood used in wands | Multiple Books |
| asphodel | powdered, used in Draught of Living Death | Sorcerer's Stone |
| beechwood | wood used in wands | Multiple Books |
| bicorn horn | powdered, potion ingredient | Chamber of Secrets |
| blood of the enemy | forcibly taken, potion ingredient | Goblet of Fire |
| bone of the father | unknowingly given, potion ingredient | Goblet of Fire |
| boomslang | skinned, shredded, potion ingredient | Chamber of Secrets |
| bouncing bulbs | Studied in Herbology. | Goblet of Fire |
| Chinese Chomping Cabbage | Studied in Herbology. | Order of the Phoenix |
| crocodile heart | used in potions | Prisoner of Azkaban |
| daisy roots | used in potions | Prisoner of Azkaban |
| Devil's Snare | Guards the Sorcerer's Stone | Sorcerer's Stone |
| doxy droppings | effects unknown | Order of the Phoenix |
| doxy venom | possibly used in Skiving Snackboxes | Order of the Phoenix |
| dragon dung compost | what the Mandrakes rest in while growing | Chamber of Secrets |
| dragon heartstring | core used in wands | Goblet of Fire |
| dragon liver | skrewt food | Goblet of Fire |
| dragon's blood | has 12 different uses | Fantastic Beasts and Where to Find Them |
| dried nettles | used in potions | Sorcerer's Stone |
| earwiggy flowers | Sent by Hagrid to cheer Harry up | Prisoner of Azkaban |
| ebony | wood used in wands | Multiple Books |
| fanged geranium | O.W.L. test | Order of the Phoenix |
| flesh of the servant | willingly given, potion ingredient | Goblet of Fire |
| flutterby bush | Herbology class | Goblet of Fire |
| fluxweed | used in potions | Chamber of Secrets |
| gillyweed | when eaten, allows the user to breathe underwater | Goblet of Fire |
| griffin claw, powdered | used in potions (Strengthening Solution) | Order of the Phoenix |
| gurdyroot | excellent for warding off Gulping Plimpies | Half Blood Prince |
| hellbore | two drops, potion ingredient (Draught of Peace) | Order of the Phoenix |
| holly | wood used in wands | Multiple Books |
| honking daffodils | Professor Sprout grows these. | Order of the Phoenix |
| hornbeam | wood used in wands | Goblet of Fire |
| horned slugs | stewed, potion ingredient | Sorcerer's Stone |
| hydrangea | bush outside the window, 4 Privet Drive | Order of the Phoenix |
| jobberknoll feathers | potion ingredient, Truth Serums/Memory Potions | Fantastic Beasts and Where to Find Them |
| knotgrass | used in potions | Chamber of Secrets |
| lacewing flies | used in potions | Chamber of Secrets |
| leech juice | dash, potion ingredient | Prisoner of Azkaban |
| leeches | used in potions | Chamber of Secrets |
| lovage | used in potions (Confusing and Befuddlement Draughts) | Order of the Phoenix |
| mahogany | wood used in wands | Sorcerer's Stone |
| mallowsweet | burned by centaurs, used in Divination | Order of the Phoenix |
| Mandrake | (or mandragora) cures petrification | Chamber of Secrets |
| maple | wood used in wands | Sorcerer's Stone |
| mimbulus mimbletonia | plant, Neville's | Order of the Phoenix |
| mistletoe | Christmas time decoration | Order of the Phoenix |
| monkshood | also wolfsbane, also aconite | Sorcerer's Stone |
| moonstone | powdered, potion ingredient (Draught of Peace) | Order of the Phoenix |
| murtlap | essence, healing ability | Order of the Phoenix |
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