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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Colorado ( State or Other Jurisdiction of Incorporation or Organization ) Commission File Number 333-207889 GROWGENERATION CORP . ( Exact name of registrant as specified in its charter ) 930 W 7th Ave , Suite A Denver , Colorado ( Address of Principal Executive Offices ) Title of each class Common Stock , par value $ 0.001 per share to ( 800 ) 935-8420 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading symbol GRWG Large accelerated filer Non - accelerated filer 46-5008129 ( I.R.S. Employer Identification No. ) Securities registered pursuant to Section 12 ( g ) of the Act : Title of class Not Applicable Not Applicable ( Former name , former address and former fiscal year , if changed since last report ) Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes > No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) filed all reports required to be filed by Section 13 or 15 ( d ) of the Exchange Act during the past 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No 80204 ( Zip Code ) Name of each exchange on which registered The NASDAQ Stock Market LLC Indicate by check mark whether the registrant has submitted electronically Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes > No 0 Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S - K ( § 229.405 of this chapter ) is not contained herein , and will not be contained , to the best of registrant's knowledge , in definitive proxy or information statements incorporated by reference in Part III of this Form 10 - K or any amendment to this Form 10 - K . □ Indicate by check mark whether the Registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Accelerated filer Smaller reporting company Emerging Growth Company 3 > 0 X If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . O Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No State the aggregate market value of the voting and non - voting common equity held by non - affiliates computed by reference to the price at which the common equity was last sold , or the average bid and asked price of such common equity , as of June 30 , 2020 : $ 236,600,250 .