"I'd place Joseph at the forefront of public speaking in horticulture in America today." -- Panayoti Keladis, Senior Curator, Denver Botanic Gardens

I speak on a wide range of topics, customized to the interest and skill level of the audience. Titles from my recent talks include:

Plant Breeding for the Home Gardener
Rock Gardening: Reimagining a Classic Style for Today's Garden
Great, Non-wimpy, Plants... You Don't Already Grow

Dealing With Your Hosta Addiction: Cool Alternatives for the Shade Garden
Confessions of a Plant Nerd
Shopping for Plants like a Pro
Plants, Pollinators, and Why They Matter
How Plants got their Stripes: The Science of Variegated and Patterned Leaves
How Genetic Engineering Works: Understanding the Science, not the Controversy

To book me to speak email gsparrowgardens at gmail dot com

Or fill out the form below:


Joseph Tychonievich