Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Sep. 30, 2022
Nov. 02, 2022
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2022  
Document Transition Report false  
Entity File Number 333-207889  
Entity Registrant Name GROWGENERATION CORP.  
Entity Incorporation, State or Country Code CO  
Entity Tax Identification Number 46-5008129  
Entity Address, Address Line One 5619 DTC Parkway  
Entity Address, Address Line Two Suite 900  
Entity Address, City or Town Greenwood Village  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80111  
City Area Code 800  
Local Phone Number 935-8420  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol GRWG  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   60,929,095
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Central Index Key 0001604868  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3