Douglas' Grasswidow

Scientific Name: Olsynium douglasii (A. Dietr.) E.P. Bicknell var. douglasii


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Liliopsida / Liliidae / Liliales / Iridaceae / Olsynium Raf./ Olsynium douglasii (A. Dietr.) E.P. Bicknell var. douglasii

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General Information
Usda SymbolOLDOD
GroupMonocot
Life CyclePerennial
Growth HabitsForb/herb
Native LocationsOLDOD

Plant Guide

Use soil moisture sensors to measure the soil moisture of Douglas' Grasswidow.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-23
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceLow
Cold Stratification RequiredNo
Drought ToleranceMedium
Fertility RequirementMedium
Fire ToleranceMedium
Frost Free Days, Minimum120
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum7.8
pH, Minimum6.0
Planting Density per Acre, Maxim2700
Planting Density per Acre, Minim1700
Precipitation, Maximum20
Precipitation, Minimum14
Root Depth, Minimum (inches)8
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

BloatNone
ToxicityNone
Resprout AbilityNo
Shape and OrientationErect
Active Growth PeriodSpring and Summer
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorRed
Flower ConspicuousYes
Foliage ColorGray-Green
Foliage Porosity SummerPorous
Foliage Porosity WinterPorous
Fruit/Seed ColorBrown
Nitrogen FixationNone
Low Growing GrassNo
LifespanModerate
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)1.0
Growth RateModerate
Growth FormBunch
Fruit/Seed ConspicuousNo
Foliage TextureFine


Reproduction

Vegetative Spread RateSlow
Small GrainNo
Seedling VigorLow
Seed Spread RateNone
Fruit/Seed Period EndSummer
Seed per Pound500000
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedYes
Propagated by CormNo
Propagated by ContainerNo
Propagated by BulbYes
Propagated by Bare RootYes
Fruit/Seed PersistenceYes
Fruit/Seed Period BeginSpring
Fruit/Seed AbundanceLow
Commercial AvailabilityContracting Only
Bloom PeriodEarly Spring
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Post ProductNo
Palatable HumanNo
Palatable Graze AnimalLow
Palatable Browse AnimalLow
Nursery Stock ProductNo
Naval Store ProductNo
Lumber ProductNo
Fodder ProductNo
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo
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