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You are here: Home / Characteristics / Conservation Plant Characteristics for Justicia americana Printer-Friendly Printer-Friendly / Download
Characteristics

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Conservation Plant Characteristics Data Definitions
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Conservation Plant Characteristics

Justicia americana (L.) Vahl
American water-willow
JUAM

Summary
Duration Perennial
Growth Habit Forb/herb
Native Status L48 (N), CAN (N)
Federal T/E Status
National Wetland Indicator OBL
 
Morphology/Physiology
Active Growth Period Spring
After Harvest Regrowth Rate
Bloat
C:N Ratio Medium
Coppice Potential No
Fall Conspicuous No
Fire Resistant No
Flower Color White
Flower Conspicuous Yes
Foliage Color Dark Green
Foliage Porosity Summer
Foliage Porosity Winter
Foliage Texture Fine
Fruit/Seed Color Brown
Fruit/Seed Conspicuous No
Growth Form Rhizomatous
Growth Rate Rapid
Height at 20 Years, Maximum (feet)
Height, Mature (feet) 2.5
Known Allelopath No
Leaf Retention No
Lifespan
Low Growing Grass No
Nitrogen Fixation
Resprout Ability No
Shape and Orientation Erect
Toxicity None
 
Growth Requirements
Adapted to Coarse Textured Soils Yes
Adapted to Fine Textured Soils Yes
Adapted to Medium Textured Soils Yes
Anaerobic Tolerance High
CaCO3 Tolerance Medium
Cold Stratification Required No
Drought Tolerance Low
Fertility Requirement Low
Fire Tolerance Low
Frost Free Days, Minimum 140
Hedge Tolerance None
Moisture Use Medium
pH, Minimum 5.4
pH, Maximum 7.6
Planting Density per Acre, Minimum 3450
Planting Density per Acre, Maximum 10912
Precipitation, Minimum 35
Precipitation, Maximum 60
Root Depth, Minimum (inches) 10
Salinity Tolerance None
Shade Tolerance Tolerant
Temperature, Minimum (°F) -28
 
Reproduction
Bloom Period Late Spring
Commercial Availability Routinely Available
Fruit/Seed Abundance Medium
Fruit/Seed Period Begin Spring
Fruit/Seed Period End Fall
Fruit/Seed Persistence No
Propagated by Bare Root Yes
Propagated by Bulb No
Propagated by Container No
Propagated by Corm No
Propagated by Cuttings No
Propagated by Seed No
Propagated by Sod No
Propagated by Sprigs No
Propagated by Tubers No
Seed per Pound 350000
Seed Spread Rate Moderate
Seedling Vigor High
Small Grain No
Vegetative Spread Rate Rapid
 
Suitability/Use
Berry/Nut/Seed Product No
Christmas Tree Product No
Fodder Product No
Fuelwood Product None
Lumber Product No
Naval Store Product No
Nursery Stock Product No
Palatable Browse Animal Medium
Palatable Graze Animal Medium
Palatable Human No
Post Product No
Protein Potential
Pulpwood Product No
Veneer Product No
 
 
Time Generated: 09/24/2008 05:48 AM MDT