Mountain Blue Penstemon

Scientific Name: Penstemon laetus A. Gray

Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Asteridae / Scrophulariales / Scrophulariaceae / Penstemon Schmidel/ Penstemon laetus A. Gray

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General Information
Usda SymbolPELA7
GroupDicot
Life CyclePerennial
Growth HabitsForb/herbSubshrub,
Native LocationsPELA7

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Mountain Blue Penstemon is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)12
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceMedium
Cold Stratification RequiredNo
Drought ToleranceHigh
Fertility RequirementMedium
Fire ToleranceMedium
Frost Free Days, Minimum150
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum7.6
pH, Minimum6.0
Planting Density per Acre, Maxim2700
Planting Density per Acre, Minim1700
Precipitation, Maximum20
Precipitation, Minimum12
Root Depth, Minimum (inches)12
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

BloatNone
ToxicityNone
Resprout AbilityYes
Shape and OrientationErect
Active Growth PeriodSpring and Summer
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorBlue
Flower ConspicuousYes
Foliage ColorGray-Green
Foliage Porosity SummerModerate
Foliage Porosity WinterPorous
Foliage TextureCoarse
Fruit/Seed ConspicuousNo
Nitrogen FixationNone
Low Growing GrassNo
LifespanLong
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)2.5
Height at 20 Years, Maximum (fee2
Growth RateModerate
Growth FormSingle Crown
Fruit/Seed ColorBrown


Reproduction

Vegetative Spread RateNone
Small GrainNo
Seedling VigorMedium
Fruit/Seed Period BeginSpring
Seed Spread RateSlow
Seed per Pound400000
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 EndSummer
Fruit/Seed AbundanceHigh
Commercial AvailabilityContracting Only
Bloom PeriodLate Spring
Propagated by CuttingsNo


Suitability/Use

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