Spotted St. Johnswort

Scientific Name: Hypericum punctatum Lam.


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Dilleniidae / Theales / Clusiaceae / Guttiferae / Hypericum L./ Hypericum punctatum Lam.

Spotted St. Johnswort
General Information
Usda SymbolHYPU
GroupDicot
Life CyclePerennial
Growth HabitsForb/herb
Native LocationsHYPU

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Spotted St. Johnswort is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-33
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsYes
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceMedium
CaCO3 ToleranceLow
Cold Stratification RequiredYes
Drought ToleranceLow
Fertility RequirementMedium
Fire ToleranceMedium
Frost Free Days, Minimum95
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum7.0
pH, Minimum4.6
Planting Density per Acre, Maxim7000
Planting Density per Acre, Minim4800
Precipitation, Maximum55
Precipitation, Minimum32
Root Depth, Minimum (inches)10
Salinity ToleranceNone
Shade ToleranceTolerant


Morphology/Physiology

After Harvest Regrowth RateSlow
ToxicityNone
Resprout AbilityNo
Shape and OrientationErect
Active Growth PeriodSummer
BloatNone
C:N RatioMedium
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorYellow
Flower ConspicuousYes
Foliage ColorGreen
Foliage Porosity SummerModerate
Foliage Porosity WinterPorous
Fruit/Seed ColorBrown
Nitrogen FixationNone
Low Growing GrassNo
LifespanModerate
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)3.0
Growth RateModerate
Growth FormSingle Crown
Fruit/Seed ConspicuousNo
Foliage TextureCoarse


Reproduction

Vegetative Spread RateNone
Small GrainNo
Fruit/Seed AbundanceMedium
Seedling VigorMedium
Seed Spread RateSlow
Propagated by TubersNo
Propagated by SprigsYes
Propagated by SodNo
Propagated by SeedNo
Propagated by CuttingsNo
Propagated by ContainerNo
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed PersistenceNo
Fruit/Seed Period EndSummer
Fruit/Seed Period BeginSummer
Commercial AvailabilityNo Known Source
Bloom PeriodEarly Summer
Propagated by CormNo


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

Spotted St. Johnswort

Spotted St. Johnswort

Spotted St. Johnswort

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