Educational Story
The Tall Jointweed, Polygonella gracilis, requires a careful eye to see. It is so fine and small, it is almost as invisible as a spider’s web. When the plant is not flowering, it is nearly impossible to identify. This annual herb flowers from a tall, skinny stem that can reach up to 6-feet tall, with enchanting tiny white flowers that look like they are floating in the air. It grows in pinelands, sandhills and open areas on edges of woods, and is adapted to well drained soils in full to part shade.
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Gardening Facts
| Scientific Name: | Polygonella gracilis |
| Common Name: | Tall Jointweed, Wireweed |
| Description of facts and concepts: | A thin-stemmed annual herb with small white flowers found in pinelands and sandhills. Not recommended for at-home gardens. |
| Seed or division information: | Seed |
| Date of flower’s bloom (Month and week): | Summer, fall |
| Ecoregion: | Sandhills, dry pinelands |
| Color of Flower: | White-pink |
| Height: | 3-6 Feet |
| Spread: | 0.5-1 foot |
| Family: | Polygonaceae (buckwheat or knotweed) |
| Soil Type: Base to Acidic | Slightly acidic |
| Soil: Dry to Wet | Dry well drained soils |
| Light: Sun to Shade | Full sun to some shade |
| Zone | 8A-10B |