The memorial will honor the 12 victims and more than 200 survivors of the Borderline Bar and Grill mass shooting from last November.
The memorial will be built in the Conejo Creek North Park, the most popular park in the city.
MORE: 12 crosses placed outside nightclub to honor Thousand Oaks victims
The goal is to finish the garden by the first anniversary of the shooting, which is Nov. 7.
RELATED: Thousand Oaks shooting: Big brother-to-be, soon-to-retire sergeant among the victims