Welcome to SLACO!
The St. Louis Association of Community Organizations, commonly known as SLACO by its friends, has been addressing a broad range of issues related to strengthening neighborhoods since 1978.
Support Our After School Program!
NEWS & UPCOMING EVENTS
Join in the Restoration Project of O’Fallon Park
O’Fallon Park lost 350 trees in the May 16 tornado, and we’re partnering with residents and local organizations to replant them on Saturday, 4/11, from 12:30–3:00 PM. Join us rain or shine to help restore this historic park! Check in, sign a waiver, get a quick training, then dig, mulch, and plant trees with guidance from staff and trained volunteers.
We need 250 Volunteers for the tree planting event. Groups & individuals of all ages are welcome. *Registration Required
Saturday, April 11, 2026
12:30 PM: Check-in
12:50 PM: Welcome & Grounding Ceremony
O’Fallon Park Boathouse
2001 E Harris Ave.
St. Louis, MO 63107
What We’ll Do
- Planting 350 trees
- Activities include:
- Tree Planting
- Mulching
- Grounding Ceremony with Black Healers Collective
Open to residents, community members, and anyone interested in helping shape a greener O’Fallon Park. Parking is available inside the park and back lots at YMCA and along streets. Please carpool if possible.
Presented By O’Fallon Community Developing Organization
In partnership with the City of St. Louis Forestry Division and Forest ReLeaf of Missouri
We Need Your Help!
SLACO is a 501(c)3 non-profit organization that survives upon your donations. If you appreciate our work, be sure to help us continue it.



