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Characteristics

Conservation Plant Characteristics

Pseudotsuga macrocarpa (Vasey) Mayr
bigcone Douglas-fir
PSMA

Summary
Duration PR Federal T/E Status
Growth Habit TR   National Wetland Indicator
Native Status L48 (N)      
 
Morphology/Physiology
Active Growth Period Spring   Fruit/Seed Conspicuous Yes
After Harvest Regrowth Rate   Growth Form Single Stem
Bloat None   Growth Rate Moderate
C:N Ratio High   Height at Base Age, Maximum 24
Coppice Potential No   Height at Maturity 75.0
Fall Conspicuous No   Known Allelopath No
Fire Resistant No   Leaf Retention No
Flower Color Yellow   Lifespan Long
Flower Conspicuous No   Low Growing Grass No
Foliage Color Green   Nitrogen Fixation None
Foliage Porosity Summer Moderate   Resprout Ability No
Foliage Porosity Winter Moderate   Shape and Orientation Erect
Foliage Texture Medium   Toxicity None
Fruit/Seed Color Brown      
 
Growth Requirements
Adapted To Coarse Textured Soils Yes   Moisture Use Low
Adapted To Medium Textured Soils Yes   pH, Minimum 5.0
Adapted To Fine Textured Soils No   pH, Maximum 7.0
Anaerobic Tolerance None   Planting Density Per Acre, Minimum 300
CaCO3 Tolerance None   Planting Density Per Acre, Maximum 1200
Cold Stratification Required Yes   Precipitation, Minimum 12
Drought Tolerance High   Precipitation, Maximum 40
Fertility Requirement Low   Root Depth, Minimum 30
Fire Tolerance Low   Salinity Tolerance None
Frost Free Days, Minimum 200   Shade Tolerance Intolerant
Hedge Tolerance None   Temperature, Minimum (°F) -13
 
Reproduction
Bloom Period Early Spring   Propagated By Cuttings No
Commercial Availability Routinely Available   Propagated By Seed Yes
Fruit/Seed Abundance Medium   Propagated By Sod No
Fruit/Seed Period Begin Summer   Propagated By Sprigs No
Fruit/Seed Period End Fall   Propagated By Tubers No
Fruit/Seed Persistence No   Seed Per Pound 4140
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 Medium   Post Product No
Lumber Product No   Protein Potential
Naval Store Product No   Pulpwood Product No
Nursery Stock Product Yes   Veneer Product No
 
 
Time Generated: 10/23/2019 04:29 AM CDT