Tarweed Fiddleneck

Scientific Name: Amsinckia lycopsoides Lehm.


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Asteridae / Lamiales / Boraginaceae / Amsinckia Lehm./ Amsinckia lycopsoides Lehm.

Tarweed Fiddleneck
General Information
Usda SymbolAMLY
GroupDicot
Life CycleAnnual
Growth HabitsForb/herb
Native LocationsAMLY

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Tarweed Fiddleneck is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-28
Adapted to Coarse Textured SoilsNo
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceLow
Cold Stratification RequiredNo
Drought ToleranceHigh
Fertility RequirementMedium
Fire ToleranceNone
Frost Free Days, Minimum170
Hedge ToleranceNone
Moisture UseLow
pH, Maximum8.2
pH, Minimum5.8
Precipitation, Maximum16
Precipitation, Minimum8
Root Depth, Minimum (inches)6
Salinity ToleranceMedium
Shade ToleranceIntolerant


Morphology/Physiology

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


Reproduction

Propagated by SeedYes
Propagated by SodNo
Propagated by SprigsNo
Propagated by TubersNo
Fruit/Seed PersistenceNo
Seed per Pound225000
Seed Spread RateRapid
Seedling VigorMedium
Small GrainNo
Vegetative Spread RateNone
Propagated by CormNo
Propagated by ContainerNo
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed Period EndSummer
Fruit/Seed Period BeginSpring
Fruit/Seed AbundanceLow
Commercial AvailabilityNo Known Source
Bloom PeriodLate Spring
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Protein PotentialLow
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

Tarweed Fiddleneck

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