| 2026-04-15 | Parts of a copse |
| 2026-03-27 | Firs and beeches, but not furs and beaches |
| 2026-03-16 | Family diagrams |
| 2025-08-02 | Genealogists' handiwork |
| 2025-04-17 | See 64-Across |
| 2024-08-18 | Dendrologist's study |
| 2024-07-16 | Arboretum assortment |
| 2024-01-19 | Subjects of the 2019 Pulitzer-winning novel "The Overstory" |
| 2023-08-23 | Logicians' creations |
| 2023-04-09 | Canopy makeup |
| 2022-08-07 | Some genealogical work |
| 2022-06-24 | Things that parks and families have |
| 2022-04-18 | Big obstacles at a golf course |
| 2022-01-22 | Makeup of some canopies |
| 2021-01-23 | Its penultimate line is "Poems are made by fools like me" |
| 2020-11-16 | Maples and myrtles |
| 2020-01-14 | Forest components |
| 2019-09-15 | Ring bearers? |
| 2019-05-12 | Tundra's lack |
| 2018-12-10 | Parts of a forest |
| 2018-02-04 | For whom the Lorax speaks |
| 2017-07-23 | Copse makeup |
| 2017-05-24 | Corners |
| 2016-11-04 | Joyce Kilmer poem that starts "I think that I shall never see" |
| 2016-04-20 | Golf course obstacles |
| 2015-06-10 | Dendrologists' concerns |
| 2014-12-29 | Forest units |
| 2013-07-19 | Orange growers |
| 2013-06-23 | Fruit growers |
| 2013-03-24 | Oranges and lemons |
| 2012-12-22 | Almonds and pistachios |
| 2012-12-18 | Classic poem that begins "I think that I shall never see" |
| 2012-12-01 | They may be clear-cut |
| 2012-11-15 | There are six hidden in this puzzle in appropriate places |
| 2012-03-30 | Much paper, originally |
| 2010-09-07 | Grove components |
| 2010-07-05 | Oak and teak |
| 2010-04-27 | Sequoias, e.g. |
| 2009-08-26 | Familial diagrams |
| 2009-07-14 | Grove constituents |
| 2009-05-24 | Nursery sights |
| 2009-05-10 | Golf course obstacles |
| 2009-01-02 | They have certain rings to them |
| 2008-06-29 | Nursery items |
| 2007-09-30 | Shady sorts? |
| 2007-07-16 | Birch and larch |
| 2007-03-01 | Apple and orange |
| 2006-09-24 | Hammock supports |
| 2006-06-18 | Panda hangouts |
| 2005-12-27 | Corners |
| 2005-10-25 | Shoe stiffeners |
| 2005-05-15 | Skiing hazards |
| 2004-02-12 | Ashes, e.g. |
| 2002-10-27 | Cashew and citron |
| 2002-03-09 | Dendrologists' study |
| 2002-02-19 | Some surgery patients |
| 2001-11-24 | Ashes, e.g. |
| 2001-11-21 | Arborist's concern |
| 2001-01-11 | They're for the birds |
| 2000-09-11 | Squirrels' homes |
| 2000-08-16 | Feller's targets |
| 2000-06-16 | Corners |
| 2000-06-13 | Park features |
| 2000-05-24 | These may be clear-cut |
| 2000-04-07 | Apples and oranges |
| 1999-10-29 | Corners |
| 1999-10-27 | Walnuts and others |
| 1999-07-19 | Arbor Day honorees |
| 1998-10-02 | Plain lack |
| 1997-05-23 | Nursery items |
| 1997-01-14 | 40- and 51-Across, e.g. |
| 1996-03-11 | Classic Kilmer poem |
| 1995-11-10 | "I think I shall never see..." poem |
| 1995-10-22 | Newspaper sources |
| 1994-08-09 | Kilmer opus |
| 1994-06-19 | Pines |
| 1994-03-19 | Forest concealers in a saw |