Hagedorn created the product brand name and its distinctive package design .
The original Miracle - Gro was developed and launched by Horace Hagedorn and Otto Stern in the late 1940s .
Horace Hagedorn created the product brand name and Miracle - Gro 's distinctive package design .
The original Miracle - Gro was developed and launched by Horace Hagedorn and Otto Stern in the late 1940s .