Combating prison recidivism with plants

A study out of Texas State University attempted to determine the number of available horticultural community service opportunities for individuals completing community service hours per their probation or parole requirements, and whether that brand of community service generates a calculable offset against the common nature of repeat offenses for an inmate population once released.


The United States currently incarcerates the greatest percentage of its population compared with any other nation in the world. Although the world average rate of incarceration is 166 individuals per 100,000, the US average is 750 per 100,000. And recidivism is a predictable factor of our criminal justice system.

Recidivism is the repetition of criminal behavior and reimprisonment of an offender and is one of the reasons for large inmate populations in the United States. Research tracked a total of 404,638 prisoners across 30 states for a span of 5 years and found 67.8% of prisoners released reoffended within 3 years and a total of 76.6% reoffended within 5 years of being released. One third of those offenders were arrested within the first 6 months of being released.

Holmes added, “Further researching the role plants play on positively impacting an individual’s life or decision to productively redirect their behavior has the potential to greatly benefit our society as a whole, long-term.”

Past studies have shown that certain educational and rehabilitation efforts have helped to reduce a return to a life of crime. As a means of education and vocational rehabilitation, horticultural programs have been introduced into detention facilities across the United States. Many prisoners have participated in horticultural activities such as harvesting and maintaining their own vegetable gardens as a means of providing food for the institution, which can also serve as skill development for a means of earning income once released back into society.


In investigating the different types of community service opportunities available to offenders, Holmes and Waliczek found there were 52 different agencies available as options for community service during the time of the study. Of the 52 community service agencies, 25 of them provided horticultural work options.

The results and information gathered support the notion that horticultural activities can play an important role in influencing an offender’s successful reentry into society. The researchers found that individuals who engaged in horticultural programs demonstrated the lowest rate of recidivism over all other categories of released inmates.

Holmes interjected, “It was indeed notable the study found that those individuals who completed their community service requirements in a horticultural setting were less likely to recidivate when compared to those who completed their community service in a non-horticultural setting.”

She further added, “I plan on continuing this research and studying the overall benefits of horticulture on the well-being and recidivism rates of both incarcerated juvenile and adult offenders on a larger scale.”

Source: Combating prison recidivism with plants

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