|                    Virginia marsh St. John’s-wort
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                |                    Triadenum virginicum  
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                |                    Hypericaceae 
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                 Landscape Uses:
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                 Primarily recommended for natural landscapes and habitat restorations. | 
               
                Ecological Restoration Notes:  | 
               
              
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                | Availability: | 
               
              
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                 Grown by enthusiasts and occasionally by native plant nurseries. | 
               
              
                | Description: | 
               
              
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                 Medium herbaceous wildlfower. | 
               
              
                | Height: | 
               
              
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                 About 1-2 feet in height.  Taller than broad. | 
               
              
                | Growth Rate: | 
               
              
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                 Moderate. | 
               
              
                | Range: | 
               
              
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                 Eastern and central North America west to Texas and Oklahoma and south to Palm Beach, Highlands and Manatee counties. | 
               
              
                | Habitats: | 
               
              
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                 Swamps. | 
               
              
                | Soils: | 
               
              
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                 Wet to moist, moderately well-drained to poorly-drained organic soils. | 
               
              
                | Nutritional Requirements: | 
               
              
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                 Moderate; can grow in nutrient poor soils, but needs some organic content to thrive. | 
               
              
                | Salt Water Tolerance: | 
               
              
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                 Low; does not tolerate flooding by salt or brackish water. | 
               
              
                | Salt Wind Tolerance: | 
               
              
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                 Low; salt wind may burn the leaves. | 
               
              
                | Drought Tolerance: | 
               
              
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                 Low; requires moist to wet soils and is intolerant of long periods of drought. | 
               
              
                | Light Requirements: | 
               
              
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                 Light shade. | 
               
              
                | Flower Color: | 
               
              
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                 Purplish | 
               
              
                | Flower Characteristics: | 
               
              
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                 Inconspicuous. | 
               
              
                | Flowering Season: | 
               
              
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                 Summer. | 
               
              
                | Fruit: | 
               
              
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                 Inconspicuous capsule. | 
               
              
                | Wildlife and Ecology: | 
               
              
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                | Horticultural Notes: | 
               
              
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                | Comments: | 
               
              
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