<SEC-DOCUMENT>0001628280-22-013721-index.html : 20220511
<SEC-HEADER>0001628280-22-013721.hdr.sgml : 20220511
<ACCEPTANCE-DATETIME>20220510183225
ACCESSION NUMBER:		0001628280-22-013721
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220511
DATE AS OF CHANGE:		20220510

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HYDROFARM HOLDINGS GROUP, INC.
		CENTRAL INDEX KEY:			0001695295
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MISCELLANEOUS NONDURABLE GOODS [5190]
		IRS NUMBER:				814895761
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-256938
		FILM NUMBER:		22911462

	BUSINESS ADDRESS:	
		STREET 1:		270 CANAL ROAD
		CITY:			FAIRLESS HILLS
		STATE:			PA
		ZIP:			19030
		BUSINESS PHONE:		707-765-9990

	MAIL ADDRESS:	
		STREET 1:		270 CANAL ROAD
		CITY:			FAIRLESS HILLS
		STATE:			PA
		ZIP:			19030

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Hydrofarm Holdings Group, Inc.
		DATE OF NAME CHANGE:	20180830

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Innovation Acquisition One Corp
		DATE OF NAME CHANGE:	20170120
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>prospectussupplementno13-5a.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: prospectussupplementno13-5a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: image_0.jpg

</DOCUMENT>
</SEC-DOCUMENT>