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Characteristics

Conservation Plant Characteristics

Penstemon laetus A. Gray
mountain blue penstemon
PELA7

Summary
Duration PR Federal T/E Status
Growth Habit SS, FB   National Wetland Indicator
Native Status L48 (N)      
 
Morphology/Physiology
Active Growth Period Spring and Summer   Fruit/Seed Conspicuous No
After Harvest Regrowth Rate   Growth Form Single Crown
Bloat None   Growth Rate Moderate
C:N Ratio High   Height at Base Age, Maximum 2
Coppice Potential No   Height at Maturity 2.5
Fall Conspicuous No   Known Allelopath No
Fire Resistant No   Leaf Retention No
Flower Color Blue   Lifespan Long
Flower Conspicuous Yes   Low Growing Grass No
Foliage Color Gray-Green   Nitrogen Fixation None
Foliage Porosity Summer Moderate   Resprout Ability Yes
Foliage Porosity Winter Porous   Shape and Orientation Erect
Foliage Texture Coarse   Toxicity None
Fruit/Seed Color Brown      
 
Growth Requirements
Adapted To Coarse Textured Soils Yes   Moisture Use Medium
Adapted To Medium Textured Soils Yes   pH, Minimum 6.0
Adapted To Fine Textured Soils No   pH, Maximum 7.6
Anaerobic Tolerance None   Planting Density Per Acre, Minimum 1700
CaCO3 Tolerance Medium   Planting Density Per Acre, Maximum 2700
Cold Stratification Required No   Precipitation, Minimum 12
Drought Tolerance High   Precipitation, Maximum 20
Fertility Requirement Medium   Root Depth, Minimum 12
Fire Tolerance Medium   Salinity Tolerance None
Frost Free Days, Minimum 150   Shade Tolerance Intolerant
Hedge Tolerance None   Temperature, Minimum (°F) 12
 
Reproduction
Bloom Period Late Spring   Propagated By Cuttings No
Commercial Availability Contracting Only   Propagated By Seed Yes
Fruit/Seed Abundance High   Propagated By Sod No
Fruit/Seed Period Begin Spring   Propagated By Sprigs No
Fruit/Seed Period End Summer   Propagated By Tubers No
Fruit/Seed Persistence No   Seed Per Pound 400000
Propagated By Bare Root Yes   Seed Spread Rate Slow
Propagated By Bulbs No   Seedling Vigor Medium
Propagated By Container No   Small Grain No
Propagated By Corms No   Vegetative Spread Rate None
 
Suitibility/Use
Berry/Nut/Seed Product No   Palatable Browse Animal
Christmas Tree Product No   Palatable Graze Animal
Fodder Product No   Palatable Human No
Fuelwood Product   Post Product No
Lumber Product No   Protein Potential
Naval Store Product No   Pulpwood Product No
Nursery Stock Product No   Veneer Product No
 
 
Time Generated: 12/18/2018 06:12 AM CST