Pecan

Carya illinoinensis (Wangenh.) K. Koch - Walnut family

Size

Mature Height: Up to around 120.0 feet

Planting Distance: 7.9 feet

Plant Type: Tree

Root Depth: 32 inches

Growth Form: Single Stem

Growth Rate: Slow

Features

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Early Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Low

Flood Tolerance: None

Fire Tolerance: Low

Salt Tolerance: None

Ecosystem Interactions

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

Larval Species depending on Pecan: Acrobasis caryae, Acrobasis caryivorella, Acrobasis caulivorella, Acrobasis cunulae, Acrobasis evanescentella, Acrobasis exsulella, Acrobasis grossbecki, Acrobasis hebescella, Acrobasis indigenella, Acrobasis juglandis, Acrobasis latifasciella, Acrobasis nuxvorella, Acrobasis palliolella, Acrobasis peplifera, Actias luna luna, Amorpha juglandis, Archips infumatana, Cameraria caryaefoliella, Catocala agrippina, Catocala angusi, Catocala epione, Catocala judith, Catocala maestosa, Catocala obscura, Catocala palaeogama, Catocala piatrix, Catocala residua, Catocala sappho, Catocala similis, Catocala vidua, Citheronia regalis, Citheronia splendens, Coleophora laticornella, Coptodisca lucifluella, Cossula magnifica, Cydia caryana, Datana integerrima, Dichomeris ventrella, Eulogia ochrifrontella, Euzophera semifuneralis, Gretchena bolliana, Gretchena deludana, Hyalophora cecropia, Hyphantria cunae, Larisa subsolana, Malacosoma americana, Monoleuca semifascia, Panopoda rufimargo, Peridea angulosa, Phyllonorycter caryaealbella, Phyllonorycter olivaeformis, Platynota rostrana, Pococera subcanalis, Psilocorsis cryptolechiella, Psilocorsis reflexella, Sabulodes caberata, Satyrium edwardsii, Schizura concinna, Schizura leptinoides, Schizura unicornis, Spodoptera frugiperda, Stigmella juglandifoliella, Synanthedon geliformis, Synanthedon scitula, Thorybes ephemeraeformis

Native Range

  • USA:  Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee, Texas
  • MEX:  Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southwest
Regional Native Status: L48 (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.