- Hidayat, Topik
- Hidden Valley Nursery,
- Hide, D. M. V.
- Hideux, M
- Hideux, Michel
- Hidiroglou, Michel.
- Hidoh, Osamu
- Hidu, H
- Hidu, Herbert
- Hiebel, T L
- Hieber, Craig S
- Hiebert, R D
- Hiebert, Terra
- Hieke, F
- Hieke, Fritz
- Hiekel, Rudolf
- Hiemer, Georg
- Hiemstra, Freerk
- Hien, Nguyen Ngoc
- Hiendlmeyer, Rosane
- Hiendlmeyer, Rosane
- Hieover, Harry, 1796-1859
- Hiep, N T
- Hiepko, P
- Hier. Frobenium, et Nic. Episcopium.
- Hiern, William P. (William Philip), 1839-1925
- Hieronimus, Harro
- Hieronymum Lentz.
- Hieronymus Frobisch.
- Hieronymus, G
- Hieronymus, G. (Georg), 1846-1921
- Hierro, José
- Hiert, Cristiane
- Hiesemann, Martin.
- Hiesey, William Mckinley, 1903-
- Hieu, Nguyen Quang
- Higa, Fábio M.
- Higa, Yukiko
- Higaki, Masahiro
- Higaki, Shogo
- Higashi, Kazuyoshi
- Higashi, Neide
- Higashi, Ryouichi
- Higashi, Teizo
- Higbee, E. C.
- Higbee, Edward Counselman, 1910-
- Higbee, Harry G.
- Higbie, Edgar Creighton, 1875-
- Higbie, Geo. K. & Co. (Rochester, New York)
- Higdon, Jeff W.
- Higgie, M
- Higgin, Thomas
- Higginbotham, A C
- Higginbotham, J W
- Higginbotham, Jana L
- Higginbotham, Jana L.
- Higginbottom, J
- Higginbottom, John
- Higginbottom, Sam, 1874-1958
- Higgins Nurseries.
- Higgins, A C
- Higgins, Asher.
- Higgins, B. B.
- Higgins, Bascombe Britt, 1887-
- Higgins, Charles H. (Charles Herbert), 1875-1954
- Higgins, Charles M
- Higgins, Charles.
- Higgins, D P
- Higgins, D. W., & co.
- Higgins, Daniel F., Jr.
- Higgins, David
- Higgins, David V.
- Higgins, E T
- Higgins, Edmund Thomas
- Higgins, Francis.
- Higgins, George Marsh, 1890-
- Higgins, H C
- Higgins, H G
- Higgins, H H
- Higgins, H T
- Higgins, H. H.
- Higgins, Harld Leonard.
- Higgins, Harold G
- Higgins, J
- Higgins, J C
- Higgins, J. E. (James Edgar), 1873-1938
- Higgins, James, active 1850-1867
- Higgins, Kellina
- Higgins, Kenneth F
- Higgins, L C
- Higgins, L G
- Higgins, Larry C
- Higgins, Les
- Higgins, Linden
- Higgins, Linden E
- Higgins, Lothrop Davis, 1876-
- Higgins, N
- Higgins, R P
- Higgins, Robert P
- Higgins, Robert P.
- Higgins, S. B.
- Higgins, Susan.
- Higgins, Thomas G
- Higgins, Vera
- Higgins, W E
- Higginson, A. Henry (Alexander Henry), 1876-1958
- Higginson, Dawn
- Higginson, S. Storrow
- Higginson, Samuel Storrow,
- Higginson, Sarah Jane Hatfield, Mrs., 1840-1916
- Higginson, Thomas Wentworth, 1823-1911
- Higgott, Jeff B
- Higgs, A.
- Higgs, Chris
- Higgs, G E
- Higgs, Gary W.
- Higgs, Jason S
- Higgs, P
- Higgs, Roger
- High Ridge Poultry Farm.
- High Wycombe Natural History Society.
- High, Fred, 1867-
- High, John
- High, M. M. (Marvin Merritte), 1884-
- High, Robert O.
- Higham, C F W
- Higham, Thomas, 1796-1844
- Highberg, Roy S.
- Highet, Jeannie
- Highfill, J W
- Highland and Agricultural Society of Scotland.
- Highland Fruit and Plant Farm.
- Highland Horticultural Nurseries (Newburgh, N.Y.)
- Highland Nurseries (Johnstown, N.Y.)
- Highland Nurseries (Johnstown, NY)
- Highland Nurseries (Newburgh, N.Y.)
- Highland Nurseries.
- Highland Nursery and Fruit Farm.
- Highland Nursery Co.
- Highland Nusery (Highland, Ill.)
- Highland Park Arboratum and Perennial Garden.
- Highland Park college correspondence school.
- Highland Park, Ill. Community Development Dept.
- Highland Park, Ill. Public Works Dept.
- Highland Society of Scotland
- Highland View Farm.
- Highlands Fruit Farm.
- Highlands Nursery.
- Highlawn (Farm : Lee, Mass.)
- Highmead Nursery.
- Highsmith, R Tod
- Hight, G L Jr.
- Highton, R
- Highton, Richard Taylor, 1927-
- Highton, Richard.
- Highton, W L
- Hightower Seed Company.
- Hightower, B G
- Hightstown Hardware Co.
- Highway Gardens (Corbett, Oregon)
- Highway Gardens (McMinnville, Tenn.)
- Higley, Duane L.
- Higley, J. Mark.
- Higley, Leon G
- Higley, M.R.
- Higley, Ruth, 1885-
- Higley, Ruth.
- Higley, W K
- Higley, Warren, 1833-1911
- Higley, William K.
- Higley, William Kerr,
- Higley, William Kerr, 1860-1908
- Higley, William Kerr.
- Higman, Daniel.
- Higman, Harry Wentworth, 1883-
- Higson, Daniel.
- Higuchi, H.
- Higuchi, Hiroyoshi
- Higuchi, Keiko
- Higuchi, N.
- Higuchi, Niro
- Higuchi, Níro
- Higuchi, P.
- Higuchi, Pedro
- Higuchi, Takashiro
- Higuchi, Yasushi
- Higuera, Salvador López
- Higuti, J
- Higuti, J.
- Higuti, Janet
- Hihara, Fuyuo
- Hihara, Yukiko
- Hi-Ho Farm
- Hijazi, Násser Cavalcante
- Hijii, Naoki
- Hijman, E E
- Hijman, M E E
- Hijman, Maria E. E.
- Hijo, CAG.
- Hikade, Thomas
- Hikida, T
- Hikida, Tsutomu
- Hikida, Yoshinori
- Hilaire, Jean-Baptiste
- Hilander, Sally K.
- Hilar, A. P.
- Hilarino, Mariana Patrícia Amorim
- Hilario, Ana
- Hilário, R. R.
- Hilário, Renato R.
- Hilário, Renato Richard
- Hilário, S. D.
- Hilário, Sergio D.
- Hilário, Sergio Dias
- Hilbeck, Angelika
- Hilber, Vincenz, 1853-1931
- Hilber, Vinzenz
- Hilbert, G. E.
- Hilbert, J L
- Hilbert, Richard
- Hilbig, B
- Hilbish, Thomas J
- Hilborn, E. C.
- Hilburn, Daniel J
- Hilchie, Gerald J
- Hilcox, S
- Hildago, Hugo
- Hildago, Jose
- Hildebrand, Cintia G.
- Hildebrand, D.M.
- Hildebrand, E. M.
- Hildebrand, Falk
- Hildebrand, Friedrich Hermann Gustav
- Hildebrand, Friedrich, 1835-1915
- Hildebrand, Friedrich.
- Hildebrand, Henry
- Hildebrand, Samuel F. 1883-1949
- Hildebrand, T J
- Hildebrandt, Drew
- Hildebrandt, Frank Merrill, 1888-1971
- Hildebrandt, Friedrich (Georg Friedrich), 1764-1816
- Hildebrandt, William R.
- Hildemann, W H
- Hildemere Gardens.
- Hilden, S
- Hildenbrand, Johann Valentin Von, 1763-1818
- Hilderbrand, Gary
- Hilderbrand, Grant V.
- Hildinger, Judith.
- Hildmann, H., fl 1872-