Bigcone Douglas-fir

Scientific Name: Pseudotsuga macrocarpa (Vasey) Mayr

Classification: Plantae/ Tracheobionta / Spermatophyta / Coniferophyta / Pinopsida / / Pinales / Pinaceae / Pseudotsuga Carrière/ Pseudotsuga macrocarpa (Vasey) Mayr

Bigcone Douglas-fir
General Information
Usda SymbolPSMA
GroupGymnosperm
Life CyclePerennial
Growth HabitsTree
Native LocationsPSMA

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Bigcone Douglas-fir is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-13
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceNone
Cold Stratification RequiredYes
Drought ToleranceHigh
Fertility RequirementLow
Fire ToleranceLow
Frost Free Days, Minimum200
Hedge ToleranceNone
Moisture UseLow
pH, Maximum7.0
pH, Minimum5.0
Planting Density per Acre, Maxim1200
Planting Density per Acre, Minim300
Precipitation, Maximum40
Precipitation, Minimum12
Root Depth, Minimum (inches)30
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

BloatNone
ToxicityNone
Resprout AbilityNo
Shape and OrientationErect
Active Growth PeriodSpring
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorYellow
Flower ConspicuousNo
Foliage ColorGreen
Foliage Porosity SummerModerate
Foliage Porosity WinterModerate
Foliage TextureMedium
Fruit/Seed ConspicuousYes
Nitrogen FixationNone
Low Growing GrassNo
LifespanLong
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)75.0
Height at 20 Years, Maximum (fee24
Growth RateModerate
Growth FormSingle Stem
Fruit/Seed ColorBrown


Reproduction

Vegetative Spread RateNone
Small GrainNo
Seedling VigorMedium
Fruit/Seed Period BeginSummer
Seed Spread RateSlow
Seed per Pound4140
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedYes
Propagated by CormNo
Propagated by ContainerYes
Propagated by BulbNo
Propagated by Bare RootYes
Fruit/Seed PersistenceNo
Fruit/Seed Period EndFall
Fruit/Seed AbundanceMedium
Commercial AvailabilityRoutinely Available
Bloom PeriodEarly Spring
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Post ProductNo
Palatable HumanNo
Nursery Stock ProductYes
Naval Store ProductNo
Lumber ProductNo
Fuelwood ProductMedium
Fodder ProductNo
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo

Bigcone Douglas-fir

Bigcone Douglas-fir

Bigcone Douglas-fir

Bigcone Douglas-fir

Bigcone Douglas-fir

Bigcone Douglas-fir

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