Tarweed Fiddleneck
Scientific Name: Amsinckia lycopsoides Lehm.
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Asteridae / Lamiales / Boraginaceae / Amsinckia Lehm./ Amsinckia lycopsoides Lehm.
| General Information |
| Usda Symbol | AMLY |
| Group | Dicot |
| Life Cycle | Annual |
| Growth Habits | Forb/herb |
| Native Locations | AMLY |
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 |
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| Adapted to Coarse Textured Soils | No |
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| Adapted to Fine Textured Soils | No |
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| Adapted to Medium Textured Soils | Yes |
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| Anaerobic Tolerance | None |
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| CaCO3 Tolerance | Low |
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| Cold Stratification Required | No |
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| Drought Tolerance | High |
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| Fertility Requirement | Medium |
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| Fire Tolerance | None |
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| Frost Free Days, Minimum | 170 |
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| Hedge Tolerance | None |
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| Moisture Use | Low |
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| pH, Maximum | 8.2 |
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| pH, Minimum | 5.8 |
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| Precipitation, Maximum | 16 |
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| Precipitation, Minimum | 8 |
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| Root Depth, Minimum (inches) | 6 |
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| Salinity Tolerance | Medium |
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| Shade Tolerance | Intolerant |
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Morphology/Physiology
| After Harvest Regrowth Rate | Slow |
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| Toxicity | Severe |
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| Shape and Orientation | Erect |
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| Nitrogen Fixation | None |
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| Resprout Ability | No |
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| Active Growth Period | Spring and Summer |
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| Bloat | None |
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| C:N Ratio | Medium |
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| Coppice Potential | No |
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| Fall Conspicuous | No |
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| Fire Resistant | No |
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| Flower Color | Yellow |
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| Flower Conspicuous | No |
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| Foliage Color | Green |
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| Foliage Porosity Summer | Porous |
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| Foliage Texture | Coarse |
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| Fruit/Seed Color | Brown |
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| Fruit/Seed Conspicuous | Yes |
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| Growth Form | Single Crown |
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| Growth Rate | Moderate |
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| Height, Mature (feet) | 3.0 |
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| Known Allelopath | No |
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| Leaf Retention | No |
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| Low Growing Grass | No |
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| Foliage Porosity Winter | Porous |
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Reproduction
| Propagated by Seed | Yes |
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| Propagated by Sod | No |
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| Propagated by Sprigs | No |
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| Propagated by Tubers | No |
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| Fruit/Seed Persistence | No |
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| Seed per Pound | 225000 |
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| Seed Spread Rate | Rapid |
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| Seedling Vigor | Medium |
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| Small Grain | No |
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| Vegetative Spread Rate | None |
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| Propagated by Corm | No |
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| Propagated by Container | No |
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| Propagated by Bulb | No |
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| Propagated by Bare Root | No |
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| Fruit/Seed Period End | Summer |
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| Fruit/Seed Period Begin | Spring |
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| Fruit/Seed Abundance | Low |
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| Commercial Availability | No Known Source |
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| Bloom Period | Late Spring |
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| Propagated by Cuttings | No |
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Suitability/Use
| Veneer Product | No |
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| Pulpwood Product | No |
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| Protein Potential | Low |
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| Post Product | No |
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| Palatable Human | No |
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| Palatable Graze Animal | Low |
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| Palatable Browse Animal | Low |
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| Nursery Stock Product | No |
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| Naval Store Product | No |
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| Lumber Product | No |
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| Fodder Product | No |
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| Christmas Tree Product | No |
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| Berry/Nut/Seed Product | No |
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