Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2020
Nov. 11, 2020
Document and Entity Information [Abstract]    
Entity Registrant Name GrowGeneration Corp.  
Entity Central Index Key 0001604868  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Type 10-Q  
Document Period End Date Sep. 30, 2020  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2020  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Filer Number 333-207889  
Entity Incorporation State Country Code CO  
Entity Interactive Data Current Yes  
Entity Common Stock, Shares Outstanding   48,980,111