Cassie Holderman D’Aula has trained directly with the author and creator of Square Foot Gardening, Mel Bartholomew. She organized the first Square Foot Gardening Teacher Training Symposium to be held outside of the state of Utah, which was in August 2009 in Newark, Ohio. At that event, Cassie co-taught along with Mel and helped set some of the standards for future trainings. Cassie has traveled with and co-presented with Mel across the country.

She also serves on 6th Street & Growing, a committee dedicated to developing a community garden network in Newark. Cassie has been teaching Square Foot Gardening for two years and last year had over 500 students. She has presented at the Central Ohio Home & Garden Show, the Licking County Home & Garden Show, as well as various other locations in Central Ohio and is a frequent presenter for the Upper Arlington Life Long Learning programs.

A single mother of 7 kids ages 10 through 21, Cassie understands the budget-saving necessity of growing your own food.