| stack = 99100 | keywords = <p>{{KW|Consumable}}{{KW|Nature}}{{KW|Plant}}{{KW|Seedling}}</p>

* '''Onion Seedling''' can be grown into [[Onion]] using the [[Gardening]] skill, a [[Bottle of Fertilizer]], and a [[Bottle of Water]]. Requires Level 5 [[Gardening]].