Juglans nigra
Black Walnut

 Plant Type:
 Hardiness:
 Deciduous / Evergreen:
 Flowers:
Green (Not ornamentally important)
 Foliage:
Green (Bright green, coarse textured summer foilage); Yellow (Fall; poor yellow-brown)
 Fruit:
Green (The inner nut is edible and encased in a bright green husk, but not ornamentally important; can be a serious litter problem)
 Ultimate Height:
60 feet
 Ultimate Spread:
50 feet
 Light Requirements:
 Soil:
Widely adapted to soils; prefers moist, rich, bottomland soil
 Diagnostic Characteristics:
Leaves (12-24" long) have 15-23 leaflets, each 2-5" long by 0.75-2" wide. Stem has a chambered pith, and is coated with a pale downy pubescence with smooth and reddish surfaces. Bark is dark brown to nearly black with long, deep, narrow fissures and ridges in a diamond-shaped pattern.

Additional Information

Nuts are a serious litter problem, staining sidewalks and driveways. Juglone (found in leaf litter and possibly roots) is toxic to many plants, like tomatoes, blackberries, red pines, and many others. Black Walnut wood is valuable and has a variety of commercial uses, especially for furniture.

207 Juglans nigra found

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= Heritage plant = Memorial plant
Number Accession ID Location
12015_00200*AHORTPARK
2ORIG_9238*APICK
Heritage Plant
32009_00137*APFEN
42013_00132*AHORTPARK
52013_00176*AHORTPARK
6ORIG_3628*APICK
7ORIG_3758*AHLTP
82013_00174*AHORTPARK
9ORIG_5259*AROGA
102013_00235*AHORTPARK
11ORIG_5058*ASCPA
122009_13974*AHORTPARK
132013_00233*AHORTPARK
142013_00173*AHORTPARK
152013_00152*AHORTPARK
16ORIG_3644*APICK
17ORIG_5124*ASCPA
Heritage Plant
182013_01042*AHORTPARK
19ORIG_4999*ASCPA
20ORIG_3734*AHLTP
212013_00225*AHORTPARK
222013_00456*AHORTPARK
232013_00458*AHORTPARK
242013_00191*AHORTPARK
25ORIG_3891*AHLTP
262013_00149*AHORTPARK
Heritage Plant
272013_00150*AHORTPARK
28ORIG_3893*AHLTP
Heritage Plant
292013_00158*AHORTPARK
30ORIG_0029*APOUL
31ORIG_4976*ASCPA
322013_00351*AHORTPARK
33ORIG_6433*AHOCK
342013_00402*AHORTPARK
352013_01051*AHORTPARK
362013_00389*AHORTPARK
37ORIG_5041*ASCPA
382013_00340*AHORTPARK
392013_00134*AHORTPARK
402013_00226*AHORTPARK
41ORIG_3633*APICK
Heritage Plant
42ORIG_5011*ASCPA
43ORIG_4974*ASCPA
442009_13601*AHORTPARK
452013_00284*AHORTPARK
462013_00357*AHORTPARK
472013_00181*AHORTPARK
48ORIG_3635*APICK
492013_00411*AHORTPARK
502013_00232*AHORTPARK
512013_00311*AHORTPARK
Heritage Plant
52ORIG_3750*AHLTP
532013_00307*AHORTPARK
Heritage Plant
542013_00260*AHORTPARK
55ORIG_3832*AHLTP
56ORIG_5123*ASCPA
57ORIG_3696*APICK
582013_00223*AHORTPARK
592013_00147*AHORTPARK
60ORIG_3756*AHLTP
612013_00454*AHORTPARK
62ORIG_3400*ASPKL
63ORIG_3639*APICK
642013_00138*AHORTPARK
65ORIG_3624*APICK
66ORIG_5130*ASCPA
67ORIG_5129*ASCPA
Heritage Plant
68ORIG_7752*AROGA
692009_13432*AHORTPARK
702015_00605*AHLTP
Heritage Plant
71ORIG_3781*AHLTP
72ORIG_4972*ASCPA
732013_00179*AHORTPARK
742013_00180*AHORTPARK
752013_00331*AHORTPARK
762013_01030*AHORTPARK
772013_00496*AHORTPARK
78ORIG_4963*ASCPA
792013_00387*AHORTPARK
80ORIG_5338*APVA
812013_00371*AHORTPARK
Heritage Plant
822013_00177*AHORTPARK
832013_00193*AHORTPARK
842009_13477*AHORTPARK
Heritage Plant
852013_00136*AHORTPARK
862009_11415*ADAUC
87ORIG_5021*ASCPA
88ORIG_5127*ASCPA
892013_00161*AHORTPARK
90ORIG_4977*ASCPA
912013_00404*AHORTPARK
92ORIG_3637*APICK
Heritage Plant
932013_00228*AHORTPARK
942013_00185*AHORTPARK
952013_00286*AHORTPARK
962013_00178*AHORTPARK
97ORIG_3754*AHLTP
98ORIG_3678*AHLTP
Heritage Plant
992013_01060*AHORTPARK
1002013_01059*AHORTPARK
101ORIG_1447*ABELL
102ORIG_5128*ASCPA
Heritage Plant
1032013_00162*AHORTPARK
1042013_00262*AHORTPARK
Heritage Plant
105ORIG_5053*ASCPA
1062013_00227*AHORTPARK
107ORIG_3963*AHLTP
1082013_00236*AHORTPARK
1092013_00385*AHORTPARK
1102013_00145*AHORTPARK
1112013_00461*AHORTPARK
1122015_00194*APWF
Heritage Plant
1132015_00204*AHORTPARK
Heritage Plant
1142013_00187*AHORTPARK
115ORIG_3739*AHLTP
1162013_00455*AHORTPARK
1172013_00155*AHORTPARK
Heritage Plant
118ORIG_5046*ASCPA
1192013_00283*AHORTPARK
1202013_00224*AHORTPARK
1212013_00592*AHORTPARK
1222013_00391*AHORTPARK
1232013_00189*AHORTPARK
124ORIG_3632*APICK
Heritage Plant
125ORIG_5009*ASCPA
126ORIG_5010*ASCPA
1272009_13755*AHORTPARK
Heritage Plant
1282009_13431*AHORTPARK
1292013_00263*AHORTPARK
1302013_00139*AHORTPARK
1312013_00140*AHORTPARK
1322013_00265*AHORTPARK
1332013_00135*AHORTPARK
Heritage Plant
1342013_00198*AHORTPARK
135ORIG_3751*AHLTP
1362013_00410*AHORTPARK
1372013_00133*AHORTPARK
1382013_00272*AHORTPARK
Heritage Plant
139ORIG_3641*APICK
140ORIG_3625*APICK
141ORIG_3806*AHLTP
Heritage Plant
142ORIG_5337*APVA
143ORIG_5014*ASCPA
1442013_00130*AHORTPARK
145ORIG_3636*APICK
1462013_00274*AHORTPARK
Heritage Plant
1472013_00148*AHORTPARK
148ORIG_5431*APJIS
Heritage Plant
1492013_00146*AHORTPARK
1502013_00330*AHORTPARK
151ORIG_3645*APICK
152ORIG_5261*AROGA
1532013_00285*AHORTPARK
154ORIG_3735*AHLTP
155ORIG_3798*AHLTP
1562013_00194*AHORTPARK
1572013_00397*AHORTPARK
1582013_00453*AHORTPARK
1592010_09821*APICK
1602009_13768*AHORTPARK
Heritage Plant
161ORIG_0774*ADUHM
Heritage Plant
1622009_13701*AHORTPARK
1632013_00574*AHORTPARK
164ORIG_3567*ARSC
Heritage Plant
165ORIG_3695*APICK
1662013_00261*AHORTPARK
1672013_00460*AHORTPARK
1682013_00459*AHORTPARK
169ORIG_5149*ASCPA
1702013_00137*AHORTPARK
1712013_00412*AHORTPARK
1722013_00403*AHORTPARK
173ORIG_3629*APICK
1742013_00341*AHORTPARK
175ORIG_5044*ASCPA
1762013_00175*AHORTPARK
1772013_00186*AHORTPARK
1782013_00151*AHORTPARK
179ORIG_3969*AHLTP
Heritage Plant
1802009_13878*AHORTPARK
Heritage Plant
181ORIG_3638*APICK
1822013_00144*AHORTPARK
1832013_00457*AHORTPARK
184ORIG_5003*ASCPA
1852013_00544*AHORTPARK
1862013_00220*AHORTPARK
187ORIG_3945*AHLTP
Heritage Plant
188ORIG_0061*AMRPK
1892013_00231*AHORTPARK
1902009_13697*AHORTPARK
1912013_00159*AHORTPARK
1922013_00160*AHORTPARK
1932013_00287*AHORTPARK
194ORIG_5307*APVA
Heritage Plant
1952009_13759*AHORTPARK
Heritage Plant
196ORIG_4973*ASCPA
1972013_00497*AHORTPARK
198ORIG_4774*AHILL
1992013_01031*AHORTPARK
2002021_00089*AHLTP
2012022_00487*AHCR
2022023_00822*AHORTPARK
2032023_00822*BHORTPARK
2042020_12732*AHORTPARK
2052020_12732*BHORTPARK
2062020_12732*CHORTPARK
2072023_00656*ACREC

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