Accepted Symbol
HETU
Symbol
HETU
Scientific Name
Helianthus Tuberosus
Common Name
Jerusalem Artichoke
Category
Dicot
Genus
Helianthus
Family
Asteraceae
Family Symbol
ASTERA
Family Common Name
Aster Family
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 and Summer
After Harvest Regrowth Rate
Slow
Bloat
None
Coppice Potential
No
Fall Conspicuous
Yes
Fire Resistance
No
Flower Color
Yellow
Flower Conspicuous
Yes
Foliage Color
Yellow-Green
Foliage Porosity Summer
Dense
Foliage Porosity Winter
Porous
Foliage Texture
Coarse
Fruit Color
Brown
Fruit Conspicuous
No
Growth Form
Rhizomatous
Growth Rate
Rapid
Maximum Feet
9.8
Height
No
Mature Feet
No
Known Allelopath
Moderate
Leaf Retention
No
Lifespan
None
Low Growing Grass
No
Nitrogen Fixation
Erect
Resprout Ability
None
Growth Data
Adapted To Coarse Textured Soils
Yes
Adapted To Medium Textured Soils
Yes
Adapted To Fine Textured Soils
No
Anaerobic Tolerance
None
Caco3 Tolerance
Medium
Cold Stratification Required
No
Drought Tolerance
High
Fertility Requirement
Medium
Fire Tolerance
Medium
Frost Free Days
100
Hedge Tolerance
None
Moisture Use
Low
Ph Minimum
4.0
Ph Maximum
7.0
Planting Density Per Acre
4800
Maximum
10912
Precipitation Minimum
15
Precipitation Maximum
55
Root Depth
6
Minimum Inches
Low
Salinity Tolerance
Intermediate
Shade Tolerance
-43
Reproduction Data
Bloom Period
Late Summer
Commercial Availability
Routinely Available
Fruit Seed Abundance
Medium
Fruit Seed Period Begin
Summer
Fruit Seed Period End
Fall
Fruit Seed Persistence
No
Propogated By Bare Root
No
Propogated By Bulbs
No
Propogated By Container
No
Propogated By Corms
No
Propogated By Cuttings
No
Propogated By Seed
Yes
Propogated By Sod
No
Propogated By Sprigs
No
Propogated By Tubers
Yes
Seeds Per Pound
75666
Seed Spread Rate
Moderate
Seedling Vigor
Medium
Small Grain
No
Vegetative Spread Rate
Rapid
Sustainibility Data
Berry Nut Seed Product
No
Christmas Tree Product
No
Fodder Product
No
Lumber Product
No
Naval Store Product
No
Nursery Stock Product
No
Palatable Browse Animal
High
Palatable Graze Animal
High
Palatable Human
Yes
Post Product
No
Pulpwood Product
No
Veneer Product
No