Lyall's Beardtongue

Scientific Name: Penstemon lyallii (A. Gray) A. Gray

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

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General Information
Usda SymbolPELY2
GroupDicot
Life CyclePerennial
Growth HabitsForb/herbSubshrub,
Native LocationsPELY2

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Lyall's Beardtongue is planted.

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 ToleranceMedium
Cold Stratification RequiredYes
Drought ToleranceHigh
Fertility RequirementLow
Fire ToleranceMedium
Frost Free Days, Minimum90
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum8.0
pH, Minimum6.0
Precipitation, Maximum26
Precipitation, Minimum14
Root Depth, Minimum (inches)12
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

After Harvest Regrowth RateSlow
ToxicityNone
Shape and OrientationErect
Nitrogen FixationNone
Resprout AbilityNo
Active Growth PeriodSpring and Summer
BloatNone
C:N RatioMedium
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorPurple
Flower ConspicuousYes
Foliage ColorGreen
Foliage Porosity SummerModerate
Foliage TextureMedium
Low Growing GrassNo
LifespanLong
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)2.5
Growth RateSlow
Growth FormSingle Crown
Fruit/Seed ConspicuousNo
Fruit/Seed ColorBrown
Foliage Porosity WinterPorous


Reproduction

Vegetative Spread RateNone
Small GrainNo
Seedling VigorMedium
Fruit/Seed Period BeginSummer
Seed Spread RateSlow
Seed per Pound1923729
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedYes
Propagated by CormNo
Propagated by ContainerNo
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed PersistenceYes
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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