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Virginia marsh St. John's-wort
Triadenum virginicum
Hypericaceae
 

Copyright by: Shirley Denton

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations.

Availability: Grown by enthusiasts and occasionally by native plant nurseries.

Description: Medium herbaceous wildlfower.

Dimensions: About 1-2 feet in height. Taller than broad.

Growth Rate: Moderate.

Range: Eastern and central North America west to Texas and Oklahoma and south to Palm Beach, Highlands and Manatee counties.

Map of select IRC data from peninsular Florida.

Habitats: Swamps.

Soils: Wet to moist, moderately well-drained to poorly-drained organic soils.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Light shade.

Flower Color: Purplish

Flower Characteristics: Inconspicuous.

Flowering Season: Summer.

Fruit: Inconspicuous capsule.


Copyright by: Shirley Denton


Other data on Triadenum virginicum available from:



 
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