Plants, People, Science

Hydrangea Genomics: Dr. Lisa Alexander's Path to Breeding Better Hydrangeas

July 25, 2025·40 min
Episode Description from the Publisher

The science behind your garden hydrangeas involves far more than just planting and watering. Dr. Lisa Alexander, a research geneticist with the USDA Agricultural Research Service, takes us on a fascinating journey from her first days pollinating chestnut trees in a 70-foot bucket truck to her current work revolutionizing hydrangea breeding at the National Arboretum. Working from the heart of Tennessee's nursery country, Dr. Alexander explains how she's mapping the genetic diversity of oaklea...

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