Leslie F. Halleck is a Certified Professional Horticulturist (ASHS) who has spent her 27-year career hybridizing horticulture science with home gardening consumer needs. Halleck earned a BS in Biology/Botany from The University of North Texas and an MS in Horticulture from Michigan State University.

Halleck's professional experience is well rounded, with time spent in botanical field research, public gardens, landscape design and maintenance, garden writing, garden center retail, and horticulture and green industry consulting. At the end of 2012, Halleck devoted herself full-time to running her company, Halleck Horticultural, LLC, a green industry consulting and marketing agency. Halleck's previous positions include Director of Horticulture Research at The Dallas Arboretum and General Manager for North Haven Gardens (IGC) in Dallas, Texas.

Halleck is now a regular feature on the professional speaking and industry publication circuit, but she also continues to offer up common-sense gardening advice and hands-on learning to home gardeners via her Plantgeek Chic blog, public workshops, plant swaps, and consumer publications. During her career, Halleck has written hundreds of articles for local, regional, and national publications as well as taught countless gardening programs for the home houseplant keeper, indoor grower, flower gardener, edible enthusiast, and backyard farmer. Halleck is the author of Gardening Under Lights: The Complete Guide for Indoor Growers (2018) and Plant Parenting: Easy Ways to Make More Houseplants, Vegetables, and Flowers (2019). She is obsessed with all plants tiny and cute.