Great Laurel

Scientific Name: Rhododendron maximum L.


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Dilleniidae / Ericales / Ericaceae / Rhododendron L./ Rhododendron maximum L.

Great Laurel
General Information
Usda SymbolRHMA4
GroupDicot
Life CyclePerennial
Growth HabitsShrubTree,
Native LocationsRHMA4

Plant Guide

Use soil moisture sensors to measure the soil moisture of Great Laurel.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-13
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceLow
CaCO3 ToleranceNone
Cold Stratification RequiredNo
Drought ToleranceHigh
Fertility RequirementLow
Fire ToleranceMedium
Frost Free Days, Minimum150
Hedge ToleranceMedium
Moisture UseMedium
pH, Maximum5.5
pH, Minimum4.0
Planting Density per Acre, Maxim680
Planting Density per Acre, Minim170
Precipitation, Maximum60
Precipitation, Minimum36
Root Depth, Minimum (inches)18
Salinity ToleranceNone
Shade ToleranceTolerant


Morphology/Physiology

BloatNone
ToxicityModerate
Resprout AbilityYes
Shape and OrientationSemi-Erect
Active Growth PeriodSpring and Summer
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousYes
Fire ResistantYes
Flower ColorRed
Flower ConspicuousYes
Foliage ColorDark Green
Foliage Porosity SummerDense
Foliage Porosity WinterDense
Foliage TextureCoarse
Fruit/Seed ConspicuousNo
Nitrogen FixationNone
Low Growing GrassNo
LifespanLong
Leaf RetentionYes
Known AllelopathYes
Height, Mature (feet)25.0
Height at 20 Years, Maximum (fee15
Growth RateSlow
Growth FormMultiple Stem
Fruit/Seed ColorBrown


Reproduction

Vegetative Spread RateNone
Small GrainNo
Seedling VigorLow
Fruit/Seed Period BeginSpring
Seed Spread RateSlow
Seed per Pound5000000
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 AbundanceLow
Commercial AvailabilityRoutinely Available
Bloom PeriodMid Spring
Propagated by CuttingsYes


Suitability/Use

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

Great Laurel

Great Laurel

Great Laurel

Great Laurel

Great Laurel

Great Laurel

Great Laurel

Great Laurel

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