For 50 years, Devereux Texas has provided effective and outstanding care to individuals with emotional, developmental, educational and cognitive disabilities. It has helped thousands of people find brighter futures through the support and nurturing care offered. Devereux is a leading nonprofit behavioral health organization that supports many of the most underserved and vulnerable members of our communities. Founded in 1912 by Helena Devereux, we help empower children and adults with intellectual, emotional, developmental, and behavioral challenges to lead fulfilling and rewarding lives.. Landscaping plants,mulch,soil and fertilizers available.