Accepted Symbol
JUNI
Symbol
JUNI
Scientific Name
Juglans Nigra
Common Name
Black Walnut
Category
Dicot
Genus
Juglans
Family
Juglandaceae
Family Symbol
JUGLAN
Family Common Name
Walnut Family
Fact Sheets
Plant Guides
Ecology and Taxonomy Data
Orders
Liliales
Subclass
Liliidae
Class
Liliopsida
Division
Magnoliophyta
Superdivision
Spermatophyta
Subkingdom
Tracheobionta
Kingdom
Plantae
Itis Tsn
42750
Duration
Perennial
Growth Habit
Forb/herb
Native Status
L48 (N), AK (N), CAN (N)
Morphology/Physiology
Active Growth Period
Spring
Bloat
None
C N Ratio
High
Coppice Potential
Yes
Fall Conspicuous
No
Fire Resistance
No
Flower Color
Yellow
Flower Conspicuous
No
Foliage Color
Green
Foliage Porosity Summer
Porous
Foliage Porosity Winter
Porous
Foliage Texture
Medium
Fruit Color
Brown
Fruit Conspicuous
Yes
Growth Form
Single Stem
Growth Rate
Rapid
Height At Base Age
35
Maximum Feet
100
Height
Yes
Mature Feet
No
Known Allelopath
Moderate
Leaf Retention
No
Lifespan
None
Low Growing Grass
Yes
Nitrogen Fixation
Erect
Resprout Ability
Slight
Growth Data
Adapted To Coarse Textured Soils
No
Adapted To Medium Textured Soils
Yes
Adapted To Fine Textured Soils
No
Anaerobic Tolerance
None
Caco3 Tolerance
High
Cold Stratification Required
No
Drought Tolerance
Low
Fertility Requirement
High
Fire Tolerance
High
Frost Free Days
170
Hedge Tolerance
None
Moisture Use
High
Ph Minimum
4.6
Ph Maximum
8.2
Planting Density Per Acre
100
Maximum
800
Precipitation Minimum
30
Precipitation Maximum
60
Root Depth
40
Minimum Inches
None
Salinity Tolerance
Intolerant
Shade Tolerance
-28
Reproduction Data
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
Propogated By Bare Root
Yes
Propogated By Bulbs
No
Propogated By Container
Yes
Propogated By Corms
No
Propogated By Cuttings
Yes
Propogated By Seed
Yes
Propogated By Sod
No
Propogated By Sprigs
No
Propogated By Tubers
No
Seeds Per Pound
40
Seed Spread Rate
Slow
Seedling Vigor
High
Small Grain
No
Vegetative Spread Rate
None
Sustainibility Data
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
