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 10, 2013

ZION OIL & GAS, INC.

(Exact name of registrant as specified in its charter)

6510 Abrams Road, Suite 300, Dallas, TX 75231

(Address of principal executive offices, including Zip Code)

214-221-4610

(Registrant's telephone number, including area code)

(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))

Dallas, Texas and Caesarea, Israel – September 10, 2013 – Zion Oil & Gas, Inc. (NASDAQ GM: ZN) announced today, in connection with their Direct Stock Purchase Plan (the “Plan”) and Unit Offering, that they now accept electronic payments through Telecheck Internet Check Acceptance Service.

The Plan is being made pursuant to a shelf registration statement on Form S-3 that was previously filed with the SEC and became effective on May 26, 2011. The offering under the Plan is being made solely by means of the prospectus and prospectus supplement, as amended, that was filed with the SEC on March 27, 2013. Additional information regarding the Plan is set forth in the prospectus supplement, as amended, that was filed with the SEC on March 27, 2013. Also, Amendment No. 1 to the prospectus supplement was filed on August 26, 2013, extending the Unit offering period until November 29, 2013.

This Current Report on Form 8-K shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any offer, solicitation or sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

(d) Exhibits:

Exhibit 99.1 – Press release dated September 10, 2013

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 hereto duly authorized.