Nuttall's Sunflower

Scientific Name: Helianthus nuttallii Torr. & A. Gray

Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Asteridae / Asterales / Asteraceae / Compositae / Helianthus L./ Helianthus nuttallii Torr. & A. Gray

Nuttall's Sunflower
General Information
Usda SymbolHENU
GroupDicot
Life CyclePerennial
Growth HabitsForb/herb
Native LocationsHENU

Plant Guide

Use soil moisture sensors to measure the soil moisture of Nuttall's Sunflower.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-38
Adapted to Coarse Textured SoilsNo
Adapted to Fine Textured SoilsYes
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceMedium
CaCO3 ToleranceLow
Cold Stratification RequiredNo
Drought ToleranceLow
Fertility RequirementMedium
Fire ToleranceMedium
Frost Free Days, Minimum120
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum7.5
pH, Minimum5.9
Precipitation, Maximum20
Precipitation, Minimum12
Root Depth, Minimum (inches)14
Salinity ToleranceNone
Shade ToleranceIntolerant


Morphology/Physiology

After Harvest Regrowth RateSlow
Shape and OrientationErect
Resprout AbilityNo
Low Growing GrassNo
Nitrogen FixationNone
Active Growth PeriodSpring, Summer, Fall
BloatNone
C:N RatioMedium
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorYellow
Flower ConspicuousYes
Foliage ColorGreen
Foliage Porosity SummerPorous
Foliage TextureCoarse
Fruit/Seed ColorBrown
Fruit/Seed ConspicuousYes
Growth FormRhizomatous
Growth RateModerate
Height, Mature (feet)10.0
Known AllelopathNo
Leaf RetentionNo
LifespanModerate
Foliage Porosity WinterPorous


Reproduction

Propagated by SeedYes
Propagated by SodNo
Propagated by SprigsNo
Propagated by TubersNo
Fruit/Seed PersistenceYes
Seed per Pound125000
Seed Spread RateSlow
Seedling VigorMedium
Small GrainNo
Vegetative Spread RateSlow
Propagated by CormNo
Propagated by ContainerNo
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed Period EndFall
Fruit/Seed Period BeginSummer
Fruit/Seed AbundanceHigh
Commercial AvailabilityRoutinely Available
Bloom PeriodMid Summer
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Protein PotentialLow
Post ProductNo
Palatable HumanNo
Palatable Graze AnimalLow
Palatable Browse AnimalMedium
Nursery Stock ProductNo
Naval Store ProductNo
Lumber ProductNo
Fodder ProductNo
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo

Nuttall's Sunflower

Nuttall's Sunflower

Nuttall's Sunflower

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