Black Walnut

Mature Height: Up to around 100.0 feet

Planting Distance: 7.3 feet

Plant Type: Tree

Root Depth: 40 inches

Growth Form: Single Stem

Growth Rate: Rapid

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Late Spring

Seasonal Growth: Spring

Evergreen: No

Fall Colors: No

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: No

Drought Tolerance: Low

Flood Tolerance: None

Fire Tolerance: High

Salt Tolerance: None

Pollinators: Larval Host (Butterfly); Larval Host (Moth); Wind

Larval Species depending on Black Walnut: Acrobasis angusella, Acrobasis caryivorella, Acrobasis demotella, Acrobasis indigenella, Acrobasis juglandis, Acrobasis juglanivorella, Acrobasis latifasciella, Acronicta afflicta, Actias luna luna, Alsophila pometaria, Amorpha juglandis, Antheraea polyphemus polyphemus, Automeris io io, Baileya dormitans, Caloptilia blandella, Caloptilia juglandiella, Cameraria caryaefoliella, Catocala maestosa, Catocala neogama, Catocala palaeogama, Catocala piatrix, Catocala retecta, Catocala vidua, Citheronia regalis, Citheronia splendens sinaloensis, Coleophora laticornella, Coleophora pruniella, Colocasia propinquilinea, Crocigrapha normani, Cydia caryana, Cydia pomonella, Datana angusii, Datana integerrima, Datana ministra, Dichomeris ligulella, Epinotia timidella, Euproctis chrysorrhoea, Eutrapela clemataria, Euzophera semifuneralis, Gretchena bolliana, Halysidota tessellaris, Heterocampa umbrata, Homohadena infixa, Hyalophora cecropia, Hypagyrtis unipunctata, Hypena madefactalis, Hyphantria cunae, Lochmaeus manteo, Lophocampa caryae, Lophocampa maculata, Lymantria dispar, Malacosoma americana, Nemoria bistriaria, Nemoria bistriaria bistriaria, Nites betulella, Orgyia leucostigma, Orgyia vetusta, Orthosia garmani, Orthosia revicta, Paleacrita vernata, Parallelia bistriaris, Phigalia plumogeraria, Phigalia titea, Phobetron pithecium, Prolimacodes badia, Pyroderces rileyi, Pyrrhia umbra, Sabulodes caberata, Satyrium calanus, Satyrium calanus falacer, Schizura concinna, Schizura ipomoeae, Schizura leptinoides, Spilosoma virginica, Stigmella juglandifoliella