|description = Stimulates leaf production. Guaranteed to increase growth rate by at least 10%. <includeonly><br /></includeonly>Mix into tilled soil. Does not reduce time between harvests for multi-harvest crops.
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|description = {{Description|Speed-Gro}}
|source = [[Pierre's General Store|Pierre's]] • [[Crafting]]
|source = [[Pierre's General Store|Pierre's]] • [[Crafting]]