Crops broken with this hoe have a 50% chance to drop a seed.
Trivia
The Rookie Hoe will drop a seed of the crop broken, rather than always Wheat Seeds. For most other crops like Carrot, this is the crop itself. Melon and Pumpkin will drop their corresponding seeds when broken.
Farm Merchant for 10 coins.
Wheat Seeds. For most other crops like 
Added Rookie Hoe.