When you want a Chocobo...
Mimett Greens is an item used to raise a Chocobo's Speed and Stamina. When used during battle, it will restore 100 HP to any target, and when used on a Chocobo during battle, it will keep a chocobo occupied for 1 turn and allow the usage of Chocobuckle from the Chocobo. It can be bought for 1,500 gil at Chocobo Ranch or won from the Gold Saucer Battle Square for 1,280 BP before acquiring the Tiny Bronco.
Mimett Greens is an item that restores 100 HP to any target and can be feed to Chocobos in battle in order to stall them from running away. Clasko gives them out when spoken to and Yuna can hold up to 99.
Leafy vegetables that increase the chance of hatching a good chocobo.