Closed Bottle Gentian
Scientific Name: Gentiana andrewsii Griseb.
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Asteridae / Gentianales / Gentianaceae / Gentiana L./ Gentiana andrewsii Griseb.
| General Information |
| Usda Symbol | GEAN |
| Group | Dicot |
| Life Cycle | Perennial |
| Growth Habits | Forb/herb |
| Native Locations | GEAN |
Plant Guide
Use a soil moisture meter to monitor the soil moisture where Closed Bottle Gentian is planted.
Plant Traits
Growth Requirements
| Temperature, Minimum (°F) | -38 |
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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 | Low |
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| CaCO3 Tolerance | Low |
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| Cold Stratification Required | No |
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| Drought Tolerance | Medium |
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| Fertility Requirement | High |
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| Fire Tolerance | Medium |
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| Frost Free Days, Minimum | 100 |
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| Hedge Tolerance | None |
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| Moisture Use | Medium |
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| pH, Maximum | 7.2 |
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| pH, Minimum | 5.8 |
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| Precipitation, Maximum | 60 |
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| Precipitation, Minimum | 36 |
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| Root Depth, Minimum (inches) | 6 |
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| Salinity Tolerance | None |
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| Shade Tolerance | Intermediate |
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Morphology/Physiology
| After Harvest Regrowth Rate | Slow |
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| Toxicity | None |
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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, Summer, Fall |
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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 | Yes |
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| Fire Resistant | No |
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| Flower Color | Purple |
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| Flower Conspicuous | Yes |
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| Foliage Color | Green |
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| Foliage Porosity Summer | Porous |
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| Foliage Texture | Fine |
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| Low Growing Grass | No |
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| Lifespan | Moderate |
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| Leaf Retention | No |
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| Known Allelopath | No |
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| Height, Mature (feet) | 2.0 |
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| Growth Rate | Moderate |
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| Growth Form | Bunch |
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| Fruit/Seed Conspicuous | No |
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| Fruit/Seed Color | White |
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| Foliage Porosity Winter | Porous |
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Reproduction
| Vegetative Spread Rate | None |
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| Small Grain | No |
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| Seedling Vigor | Low |
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| Seed Spread Rate | Moderate |
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| Fruit/Seed Period End | Fall |
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| Seed per Pound | 9000000 |
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| Propagated by Tubers | No |
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| Propagated by Sprigs | No |
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| Propagated by Sod | No |
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| Propagated by Seed | Yes |
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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 Persistence | No |
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| Fruit/Seed Period Begin | Summer |
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| Fruit/Seed Abundance | High |
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| Commercial Availability | Routinely Available |
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| Bloom Period | Mid Summer |
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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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| 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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