USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home about PLANTS PLANTS Team Partners of PLANTS What's New at PLANTS National Plant Data Center Web Site Help using PLANTS Contact PLANTS
 
 Search the PLANTS Web site
 Name Search

PLANTS Topics
 
 Characteristics
 
PLANTS Image Gallery
 
 
Download PLANTS data
 
 
Related tools
 
 
 
You are here: Home / Characteristics / Conservation Plant Characteristics for Juglans nigra Printer-Friendly Printer-Friendly / Download
Characteristics

About PLANTS Characteristics
Conservation Plant Characteristics Data Definitions
PLANTS Characteristics species list

Conservation Plant Characteristics

Juglans nigra L.
black walnut
JUNI

Summary
Duration Perennial
Growth Habit Tree
Native Status L48 (N), CAN (N)
Federal T/E Status
National Wetland Indicator FACU
 
Morphology/Physiology
Active Growth Period Spring
After Harvest Regrowth Rate
Bloat None
C:N Ratio High
Coppice Potential No
Fall Conspicuous No
Fire Resistant No
Flower Color Yellow
Flower Conspicuous No
Foliage Color Green
Foliage Porosity Summer Porous
Foliage Porosity Winter Porous
Foliage Texture Medium
Fruit/Seed Color Brown
Fruit/Seed Conspicuous Yes
Growth Form Single Stem
Growth Rate Rapid
Height at 20 Years, Maximum (feet) 35
Height, Mature (feet) 100.00
Known Allelopath Yes
Leaf Retention No
Lifespan Moderate
Low Growing Grass No
Nitrogen Fixation
Resprout Ability Yes
Shape and Orientation Erect
Toxicity Slight
 
Growth Requirements
Adapted to Coarse Textured Soils No
Adapted to Fine Textured Soils No
Adapted to Medium Textured Soils Yes
Anaerobic Tolerance None
CaCO3 Tolerance High
Cold Stratification Required No
Drought Tolerance Low
Fertility Requirement High
Fire Tolerance High
Frost Free Days, Minimum 170
Hedge Tolerance None
Moisture Use High
pH, Minimum 5.50
pH, Maximum 8.00
Planting Density per Acre, Minimum 100
Planting Density per Acre, Maximum 800
Precipitation, Minimum 30
Precipitation, Maximum 60
Root Depth, Minimum (inches) 40
Salinity Tolerance None
Shade Tolerance Intolerant
Temperature, Minimum (°F) -28
 
Reproduction
Bloom Period Late Spring
Commercial Availability Routinely Available
Fruit/Seed Abundance Low
Fruit/Seed Period Begin Fall
Fruit/Seed Period End Fall
Fruit/Seed Persistence No
Propagated by Bare Root Yes
Propagated by Bulb No
Propagated by Container Yes
Propagated by Corm No
Propagated by Cuttings No
Propagated by Seed Yes
Propagated by Sod No
Propagated by Sprigs No
Propagated by Tubers No
Seed per Pound 40
Seed Spread Rate Slow
Seedling Vigor High
Small Grain No
Vegetative Spread Rate None
 
Suitability/Use
Berry/Nut/Seed Product Yes
Christmas Tree Product No
Fodder Product No
Fuelwood Product High
Lumber Product Yes
Naval Store Product No
Nursery Stock Product Yes
Palatable Browse Animal Low
Palatable Graze Animal Low
Palatable Human Yes
Post Product No
Protein Potential Low
Pulpwood Product No
Veneer Product Yes
 
 
Time Generated: 10/03/2008 11:29 PM MDT