Walnut is located in Los Angeles county and has a population of 30,004.
Horticulture schools in Walnut charged students an average tuition of $624.00 if they were California residents, and $624.00 if they were non-residents, during the 2009 - 2010 school year.
Books and supplies for horticulture schools in Walnut cost an average of $1,638.00. There is one horticulture college in Walnut for students to choose from. 11 students were reported to have graduated from horticulture programs in Walnut in the 2008 - 2009 school year.