Denseflower knotweed
|
Polygonum glabrum
|
Polygonaceae
|
Landscape Uses:
|
|
Primarily recommended for natural landscapes and habitat restorations. Also margins of ponds and lakes. |
Ecological Restoration Notes: |
|
|
Availability: |
|
Grown by enthusiasts. |
Description: |
|
Small to medium creeping herb. |
Height: |
|
About 2-3 feet in height. Spreading and forming dense mats much broader than tall. |
Growth Rate: |
|
Moderate. |
Range: |
|
Eastern and southeastern United States west to Texas and south to Miami-Dade County and the Monroe County mainland; West Indies, Mexico, Central America, South America and the Old World tropics. |
Habitats: |
|
Swamps and marshes. |
Soils: |
|
Wet, poorly-drained sandy or organic soils, with humusy top layer. |
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: |
|
Full sun to light shade. |
Flower Color: |
|
White. |
Flower Characteristics: |
|
Semi-showy. |
Flowering Season: |
|
Spring-fall. |
Fruit: |
|
Inconspicuous nut. |
Wildlife and Ecology: |
|
|
Horticultural Notes: |
|
|
Comments: |
|
|
|
|
|
|