Yoking the Fire-Breathing Bulls
Aeetes’ bull-and-dragon-teeth trial completed through Medea’s protection and tactics.

Overview
The trial contains more than yoking: Jason must plough the whole field, sow dragon teeth and use a thrown stone to turn the rising warriors against one another. Medea’s charm protects body and weapons so strength has a chance to operate.
Key facts
Imposed by Aeetes
Aeetes makes a feat he claims he can perform the condition for surrendering the Fleece.
Completed with Medea’s aid
The fire-resistant charm, night rite and stone tactic all come from Medea’s full instructions.
Relationships
- Aeetesimposes the deadly trial
Aeetes requires Jason to face the bulls, ploughing, dragon teeth and warriors before he will hand over the Fleece.
- Jasonundertakes and completes
Jason accepts Aeetes’ terms and enters the Plain of Ares.
- Medeainstructs ritual and stone tactic
Medea explains how to invoke Hecate, resist fire, plough and turn the earthborn warriors against one another.
- Jasoncompletes
Jason yokes, ploughs, sows and defeats the warriors rising from the earth.
Story appearances
- The ArgonautsYoking the Fire-Breathing Bulls in the Argonaut expedition
Yoking the Fire-Breathing Bulls enters this story through the Argonaut expedition; other versions are handled where their own episodes call for them.
Ancient sources
MythWeave distinguishes ancient-source evidence from later adaptations and modern interpretation.
- Apollonius Rhodius, Argonautica, Book 3.210–438: Aeetes receives Jason and imposes the deadly test
- Apollonius Rhodius, Argonautica, Book 3.471–1162: Medea deliberates, meets Jason and provides charm and instructions
- Apollonius Rhodius, Argonautica, Book 3.1163–1407: Hecate rite, fire-breathing bulls and earthborn warriors
- Apollonius Rhodius, Argonautica, Book 2.1030–1285: sons of Phrixus, Fleece history and arrival in Colchis
- Apollonius Rhodius, Argonautica, Book 4.6–211: Medea flees, the dragon is subdued and the Fleece is taken