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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of earliest event reported) September 8, 2005

                    Hercules Technology Growth Capital, Inc.

       Maryland                      000-51174                 74-3113410

   525 University Avenue, Suite 700, Palo Alto, CA               94301

         Registrant's telephone number, including area code 650/289-3060

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         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 8.01 OTHER EVENTS

On August 23, 2005, Hercules Technology Growth Capital, Inc. announced its
participation in a $23 Million Equity financing for Adiana, Inc.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(c) Exhibits

99.1 Press release dated September 8, 2005



                                   SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        HERCULES TECHNOLOGY GROWTH CAPITAL, INC.

September 8, 2005

                                        /s/ SCOTT HARVEY
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                                        Scott Harvey
                                        Chief Legal Officer



                                  EXHIBIT INDEX

EXHIBIT NO.    DESCRIPTION OF EXHIBITS
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   99.1        Press Release dated September 8, 2005