Violet Tree
Scientific Name: Polygala cowellii (Britton) S.F. Blake
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Rosidae / Polygalales / Polygalaceae / Polygala L./ Polygala cowellii (Britton) S.F. Blake
| General Information |
| Usda Symbol | POCO5 |
| Group | Dicot |
| Life Cycle | Perennial |
| Growth Habits | Tree |
| Native Locations | POCO5 |
Plant Guide
Use a soil moisture meter to monitor the soil moisture where Violet Tree is planted.
Plant Traits
Growth Requirements
| Temperature, Minimum (°F) | 40 |
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| Adapted to Coarse Textured Soils | Yes |
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| Adapted to Fine Textured Soils | No |
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| Adapted to Medium Textured Soils | Yes |
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| CaCO3 Tolerance | Medium |
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| Cold Stratification Required | No |
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| Fertility Requirement | Medium |
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| Fire Tolerance | Medium |
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| Frost Free Days, Minimum | 365 |
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| Hedge Tolerance | Low |
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| pH, Maximum | 7.5 |
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| pH, Minimum | 5.0 |
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| Planting Density per Acre, Maxim | 640 |
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| Planting Density per Acre, Minim | 320 |
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| Precipitation, Maximum | 90 |
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| Precipitation, Minimum | 35 |
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| Root Depth, Minimum (inches) | 36 |
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Morphology/Physiology
| Bloat | None |
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| Resprout Ability | No |
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| Low Growing Grass | No |
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| Nitrogen Fixation | None |
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| Active Growth Period | Fall |
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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 | Purple |
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| Flower Conspicuous | Yes |
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| Foliage Color | Yellow-Green |
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| Foliage Porosity Summer | Moderate |
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| Foliage Porosity Winter | Porous |
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| Foliage Texture | Medium |
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| Fruit/Seed Color | Brown |
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| Fruit/Seed Conspicuous | Yes |
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| Growth Rate | Slow |
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| Height at 20 Years, Maximum (fee | 30 |
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| Height, Mature (feet) | 33.0 |
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| Known Allelopath | No |
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| Leaf Retention | No |
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Reproduction
| Small Grain | No |
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| Propagated by Tubers | No |
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| Propagated by Sprigs | No |
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| Fruit/Seed Persistence | No |
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| Propagated by Sod | No |
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| Propagated by Seed | Yes |
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| Propagated by Cuttings | 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 | Spring |
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| Fruit/Seed Period Begin | Spring |
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| Bloom Period | Spring |
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| Propagated by Corm | 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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| Nursery Stock Product | No |
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| Naval Store Product | No |
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| Lumber Product | No |
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| Fuelwood Product | Low |
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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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