From Discworld MUD Wiki
- Enchant the goat pellet. Any degree of enchantment will do.
- 'Place' the ivy seed in the enchanted goat pellet.
- Wait for a short while (about a minute).
Once this process is complete, the goat pellet will 'implode' into a smelly seed.
- Anyone can make a smelly seed; they do not necessarily have to be made by witches.
- Witch-friendly player shops will often buy and sell smelly seeds.