Company: GLASF
Filing Date: 2025-06-05
Form Type: 6-K
Source: 0001104659-25-056540
Chunk: 0

Company: Glass House Brands Inc.
Filing Date: 2025-06-05
Form: 6-K
Chunk 0
---
<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934</div>

For the month of June, 2025.

Commission File Number 000-56261

<div align='center'>Glass House Brands Inc.

(Translation of registrant’s name into
English)

3645 Long Beach Blvd.

(Address of principal executive office)</div>

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

<div align='center'>Form 20-F ¨
Form 40-F x

SIGNATURE</div>

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.

| Date: June 4, 2025 | Glass House Brands Inc. 
 /s/ Kyle Kazan          |                         |
|:-------------------|:------------------------|:------------------------|
|                    | By:                     | Kyle Kazan              |
|                    | Title:                  | Chief Executive Officer |

<div align='center'>2

EXHIBIT INDEX</div>

| Exhibit Number 
 99.1           
 99.2           |     | Description                                                              
 News Release, dated May 14, 2025                                         
 News Release, dated May 20, 2025                                         |
|:---------------|:----|:-------------------------------------------------------------------------|
| 99.3           |     | Notice of Availability of Proxy Materials                                |
| 99.4           |     | Form of Proxy                                                            |
| 99.5           |     | Management Information circular, dated May 15, 2025                      |
| 99.6           |     | Notice of Annual and Special Meeting of Shareholders, dated May 15, 2025 |
| 99.7           |     | Form 45-102F1, dated May 23, 2025                                        |
| 99.8           |     | News Release, dated June 3, 2025                                         |

<div align='center'>3</div>