UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report of Foreign Issuer

Pursuant to Section 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of: May, 2020

Commission File Number: 001-38336

NUTRIEN LTD.

(Name of registrant)

Suite 500, 122 – 1st Avenue South

Saskatoon, Saskatchewan

S7K 7G3 Canada

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F  ☐                 Form 40-F  ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

The exhibit to this report on Form 6-K shall be incorporated by reference into and as an exhibit to the registrant’s Registration Statement on Form F-10 (File No. 333-237068) under the Securities Act of 1933, as amended.

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, thereunto duly authorized.

EXHIBIT INDEX