| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Hole's Dictionary of Hardy Perennials | 978-1-894728-01-0 | 2006 | |
| Lois Hole's Favorite Bulbs: Better Choices, Better Gardens | 978-1-894728-00-3 | 2003 | Lois Hole |
| Perennials: Practical Advice and the Science Behind It | 978-0-9682791-7-5 | 2000 | " |
| What Grows Here? Locations: Favorite Plants for Better Yards | 978-1-894728-02-7 | 2004 | |
| What Grows Here? Problems: Favorite Plants for Better Yards | 978-1-894728-03-4 | 2005 | |
| What Grows Here? Solutions: Favorite Plants for Better Yards | 978-1-894728-05-8 | 2006 | |