Mophead hydrangeas in front of house - 1
  • What Is the Average Size of a Hydrangea?
  • Best Large Hydrangea Varieties
  • Best Small Hydrangea Varieties

Teo Spengler is a master gardener and a docent at the San Francisco Botanical Garden, where she hosts public tours. She has studied horticulture and written about nature, trees, plants, and gardening for more than two decades, following a career as an attorney and legal writer. Her extended family includes some 30 houseplants and hundreds of outdoor plants, including 250 trees, which are her main passion. Spengler currently splits her life between San Francisco and the French Basque Country, though she was raised in Alaska, giving her experience of gardening in a range of climates.

  • Laura Walters Content Editor
panicle hydrangea in snowy yard  - 2
  • Hydrangea Cold Tolerance
  • What Is Winter Kill?
  • How to Prepare Hydrangeas for Winter
  • Hydrangea Winter Care
  • Winterizing Potted Hydrangeas
  • Can I Prune Hydrangeas in Winter?
  • Shop Winterizing Essentials

Mary Ellen Ellis has been gardening for over 20 years. With degrees in Chemistry and Biology, Mary Ellen’s specialties are flowers, native plants, and herbs.

  • Teo Spengler Writer
  • Molly Lavins Writer