- Quick Tree Facts
- Planting Your Tree
- Soil Needs
- Light and Warmth
- Planting Step by Step
- Care for Your Tree
- Pruning Your Tree
- Great Varieties
- Winter Care for Trees
- Propagating Trees
- Care Calendar
- Common Problems
- Great Companions
- FAQs
- Take The Quiz
- Care Essentials
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.
