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- May 25, 2022 A Bur Oak was donated and planted at marker #22 by Alice Grove in memory of her grandson, Evan Grove.
- May 4, 2018 A Prairie Expedition® American elm, released by the NDSU Woody Plant Improvement Program and resistant to Dutch elm disease, was planted on Arbor Day to commemorate the centennial end of World War I and to honor all Veterans who sacrificed to keep peace in our country and around the world. It was donated by the NDSU-North Dakota Forest Service and ND World War I Centennial Committee.
- June 3, 2013 North American Coal - The first 100 years (1913-2013). This Paper Birch reflects the distinguished history of lignite coal mining as an essential activity of these Great Plains, and is planted in recognition of the employees of the North American Coal Corporation and Subsidiary and Affiliated Companies, whose own dedication and endurance have fueled American energy independence since 1913."
- June 11, 2007 A Northern Catalpa station #52; was dedicated in honor of the grass roots efforts of North Dakota families, professionals, and lawmakers who worked diligently to pass the Medicaid Buy-in for children in the 60th legislative assembly. The Catalpa was donated by families of children with special needs.
- June 12, 2003 A Paper Birch was dedicated in memory of Alice Baer, Alice was employed by the Public Service Commission. The Paper Birch located at station number 7 was donated by her many close friends.
- May 4, 2001 Nine trees were donated by the Centennial Trees Commission. Limber Pine placed at station #24; Kentucky Coffeetree station #28; Paper Birch station #7; Black Walnut station #30; Russian Olive station #31; Honey Locust station #33; Northern Catalpa station number 52; Snowy Mountain Ash station #59; Downy Hawthorne Station 67.
- May 3, 2001 A Green Mountain Sugar Maple was donated by Keep ND Clean, Inc. Inc. It is located on the Arboretum Trail at station #25.
- May 11, 2000 A Little Leaf Linden was donated by Keep ND Clean, Inc. , Inc. It is located on the Arboretum Trail at station #21.
- October 1999 A Bur Oak was dedicated in memory of Rodney Nagel, former Capitol Complex Grounds Foreman, this tree was planted west of the Maintenance Shop.
- October 14, 1999 ND Housing Finance Agency donated a Bur Oak. It is located at station #22 on the Arboretum Trail.
- May 3, 1999 A Linden, donated by Keep ND Clean, Inc. Inc, was donated and planted in Centennial Grove.
- May 4, 1998 Keep ND Clean, Inc. Inc donated a Colorado Blue Spruce in memory of Duane Schafer, which is located in Centennial Grove.
- May 5, 1997 Keep ND Clean, Inc. Inc donated a Colorado Blue Spruce, which is located in Centennial Grove.
- May 5, 1997 Keep ND Clean, Inc. Inc donated a Colorado Blue Spruce, which is located in Centennial Grove.
- May 13, 1996 Keep ND Clean, Inc. Inc donated a Colorado Blue Spruce, which is located in Centennial Grove.
- October 10, 1994 A Showy Mountain Ash was dedicated in memory of Richard R. Tessier, former Bismarck Police Officer and longtime North Dakota Assistant Attorney General. This tree was donated by the Viking Collection Agency, Heidi Heitkamp, Robert P. Bennett, and William H. Broer Jr. The Showy Mountain Ash is located on the Arboretum Trail at station #59.
- June 15, 1993 This Colorado Blue Spruce is dedicated to Ralph J. Erickstad in recognition of his meritorious 30 year tenure as Justice of the North Dakota Supreme Court, 20 years as chief justice, with the respect and affection of his colleagues. The Colorado Blue Spruce is located on the Arboretum Trail at station #42.
- May 3, 1993 A Bur Oak was donated by the Buck Worthington Memorial fund and is located on the Arboretum Trail at station #22.
- May 3, 1993 A Showy Mountain Ash was donated by the Buck Worthington Memorial Fund and is located on the Arboretum Trail at station #21.
- June 26, 1992 This Colorado Blue Spruce is dedicated to Lu Dunn in recognition of her 45 years of exemplary services to the ND Supreme Court with the love and appreciation of the justices of the court. The Colorado Blue Spruce is located on the Arboretum Trail at station #42.
- May 18, 1992 A thicket of Common Chokecherry, located at station #39 of the Arboretum Trail, was dedicated in memory of Joann Hetzel by Joann's family and friends.
- May 5, 1992 A European Alder was dedicated in memory of Gilbert F. Schwandt and donated by Linda Larremore. The European Alder is located on the Arboretum Trail at station #56.
- May 4, 1992 A Sugar Maple, provided by the ND Centennial Trees Commission, was planted in Centennial Grove in memory of Sam McQuade, Sr. by school children who won the 1992 Keep North Dakota Clean, Inc. poster contest.
- April 25, 1992 A Sugar Maple, provided by the ND Centennial Trees Commission, was planted in Centennial Grove by participants in North Dakota's Third Annual Tree City USA recognition program.
- June 18, 1991 A Harrison's Yellow Rose was dedicated memory of Gilbert F. Schwandt and donated by the Gilbert Schwandt family. The Harrison's Yellow Rose is located on the Arboretum Trail at station #5.
- June 18, 1991 An Ironwood was dedicated in memory of Henry T. Brown and donated by his family. The Ironwood is located on the Arboretum Trail at station #43.
- June 14, 1991 Two European Mountain Ash were donated by the volunteers at the ND Heritage Center. One European Mountain Ash is located at station #7 and the other is near the northwest corner of the Heritage Center.
- May 25, 1991 Japanese Tree Lilac was donated by the Classique Salon from funds raised during an Earth Day 1991 Cut-A-Thon. The Japanese Tree Lilac is located at station #42.
- May 27, 1991 A Colorado Blue Spruce was dedicated in memory of Bill Mushik and donated by Corliss Mushik. The Colorado Blue Spruce is located on 5th and Boulevard.
- May 27, 1991 A Colorado Blue Spruce was dedicated in memory of Don Mushik and donated by friends and family of Don Mushik. The Colorado Blue Spruce is located on 5th and Boulevard.
- May 25, 1991 A Northern Catalpa tree was donated by Classique Salon from funds raised during a Cut-A-Thon on Earth Day. The Northern Catalpa is located on the Arboretum Trail at station #52.
- May 6, 1991 An American Linden tree was donated by Keep North Dakota Clean, Inc. and is located in the Centennial Grove.
- May 3, 1991 A Black Walnut tree was dedicated on Arbor Day in memory of Buck Worthington and donated by the Central Dakota Gem and Mineral Society. The Black Walnut tree is located on the Arboretum Trail near station #30.
- April 24, 1991 An Amur Corktree was donated in memory of Greg Hinds by his parents Lee and Bernice Hinds. This planting was in recognition of the National Organ and Tissue Donor Awareness Week and is located on the Arboretum Trail at Station #17.
- April 8, 1991 A Ponderosa Pine was dedicated to North Dakota Year of the Young Child and donated by ND Association for the Education of Young Children. The Ponderosa Pine is located in the Centennial Grove.
- November 2, 1990 A Green Mountain Sugar Maple tree was dedicated in memory of Gerald "Jerry" A. Halmrast and donated by the family and friends of Jerry Halmrast. The Green Mountain Sugar Maple is located on the Arboretum Trail at station #25.
- September 25, 1990 A Black Walnut tree was donated in memory of Paul Bennett Klinkhammer by family, friends and wife Ree Schaefer Klinkhammer. The Clack Walnut tree is located on the Arboretum Trail at station #30.
- May 4, 1990 Bur Oak tree was dedicated on Arbor Day and donated by Hal Rosenbluth, Rosenbluth Inc. The Bur Oak is located on the Arboretum Trail at station #22.
- May 4, 1990 Five, Limber Pine trees were dedicated on Arbor Day and donated by the ND Centennial Commission. The Limber Pine Trees are located on the Arboretum Trail at station #24.
- April 28, 1990 A Prairie Fire Crab Apple tree was dedicated in memory of workers who lost their lives from job related injury and disease. The tree was donated by the Missouri Slope Labor Council and is located north of the All Veterans Memorial.
- April 22, 1990 A Prairie Fire Crab Apple tree was dedicated in memory of workers who lost their lives from job related injury and disease. The tree was donated by the Missouri Slope Labor Council and is located north of the All Veterans Memorial.
- April 24, 1989 The President's tree, a Bur Oak, that is located in front of the Capitol was dedicated to the people of the State of North Dakota in commemoration of the Centennial anniversary of statehood. The Bur Oak was donated by President and Mrs. George Bush.
- April 24, 1989 The Centennial Grove was dedicated by President George Bush as a living memorial symbolizing tree planting projects initiated in 1989 by ND citizens to commemorate the 100th anniversary of statehood. The Centennial Grove was designed by the North Dakota Forest Service and is located on the Southwest side of the Capitol grounds directly north of the Governor's residence. The Centennial Grove was designated by the Capitol Ground Planning Commission.
- May, 1988 The shrub and tree planting, donated by the ND Society of America Foresters, was dedicated as a living memorial, symbolizing tree planting projects by ND citizens to commemorate the 100th anniversary of statehood. The shrubs and trees are located on the boulevard berm southwest of the State Office Building.
- June, 1987 The North Dakota Capitol Grounds Native Prairie was dedicated to the beauty and resiliency of this prairie to reflect the strength and spirit of the North Dakota pioneer. The Native Prairie is registered as a North Dakota natural area by the ND Parks and Recreation Department. The Native Prairie is located northeast of the Maintenance Building, behind the shelter belt.
- September, 1984 One, Amur Maple was dedicated in memory of John Smith and was donated by Patricia Smith. The Amur Maple is located on the northeast corner of the mall.
- August, 1983 One, Amur Maple was dedicated in memory of Gordon Matheny and was donated by Wylma Matheny. The Amur Maple tree is located on the northeast corner of the mall.
- May, 1982 Three, Red Splendor Crab Apple Trees were donated by the ND Society of American Foresters and dedicated on Arbor Day. The Red Splendor Crab Apple trees are located on the east side of the mall below the flag poles.
- May, 1978 A Green Ash was donated by the ND State University Horticulture Students and dedicated on Arbor Day. The Green Ash is located on the west side of the Maintenance Shop.
- May, 1968 Three, Blue Spruce were donated by the ND University Horticulture Science Club and dedicated on Arbor Day. The Blue Spruce are located on the south side of the Legislative Chambers.