| Buttonweed, Virginia buttonweed
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| Diodia virginiana
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| Rubiaceae
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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. |
| Description: |
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Small creeping herb. |
| Height: |
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Typically 1-3 inches in height. Spreading and forming small patches. |
| Growth Rate: |
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Moderate. |
| Range: |
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Eastern and central United States west to Texas and south to Miami-Dade County and the Monroe County mainland. |
| Habitats: |
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Swamps, marshes and wet pinelands. |
| Soils: |
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Wet to moist, seasonally inundated organic, sandy or calcareous soils, with or without humusy top layer. |
| 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 long-term flooding by salt or brackish water. |
| Salt Wind Tolerance: |
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Moderate; grows near salt water, but is protected from direct salt spray by other vegetation. |
| 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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Full sun to light shade. |
| Flower Color: |
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Female flowers white to greenish-yellow. |
| Flower Characteristics: |
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Semi-showy. |
| Flowering Season: |
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All year. |
| Fruit: |
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Inconspicuous nutlet. |
| Wildlife and Ecology: |
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| Horticultural Notes: |
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| Comments: |
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