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Characteristics

Conservation Plant Characteristics

Pseudotsuga menziesii (Mirb.) Franco
Douglas-fir
PSME

Summary
Duration PR Federal T/E Status
Growth Habit TR   National Wetland Indicator
Native Status L48 (N), CAN (N)      
 
Morphology/Physiology
Active Growth Period Spring and Summer   Fruit/Seed Conspicuous No
After Harvest Regrowth Rate   Growth Form Single Stem
Bloat None   Growth Rate Moderate
C:N Ratio High   Height at Base Age, Maximum 40
Coppice Potential No   Height at Maturity 200.0
Fall Conspicuous No   Known Allelopath No
Fire Resistant Yes   Leaf Retention Yes
Flower Color   Lifespan Long
Flower Conspicuous No   Low Growing Grass No
Foliage Color Green   Nitrogen Fixation None
Foliage Porosity Summer Dense   Resprout Ability No
Foliage Porosity Winter Dense   Shape and Orientation Conical
Foliage Texture Medium   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 5.0
Adapted To Fine Textured Soils No   pH, Maximum 7.5
Anaerobic Tolerance Low   Planting Density Per Acre, Minimum 300
CaCO3 Tolerance Low   Planting Density Per Acre, Maximum 1200
Cold Stratification Required Yes   Precipitation, Minimum 18
Drought Tolerance Low   Precipitation, Maximum 100
Fertility Requirement Medium   Root Depth, Minimum 26
Fire Tolerance Low   Salinity Tolerance Low
Frost Free Days, Minimum 130   Shade Tolerance Intermediate
Hedge Tolerance Low   Temperature, Minimum (°F) -33
 
Reproduction
Bloom Period Mid Spring   Propagated By Cuttings No
Commercial Availability Routinely Available   Propagated By Seed Yes
Fruit/Seed Abundance High   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 Yes   Seed Per Pound 42080
Propagated By Bare Root Yes   Seed Spread Rate Moderate
Propagated By Bulbs No   Seedling Vigor High
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 Low
Christmas Tree Product Yes   Palatable Graze Animal Low
Fodder Product No   Palatable Human No
Fuelwood Product Medium   Post Product Yes
Lumber Product Yes   Protein Potential Low
Naval Store Product Yes   Pulpwood Product Yes
Nursery Stock Product Yes   Veneer Product Yes
 
 
Time Generated: 10/25/2020 01:08 AM CDT