trefle.io · Taken Jul 29, 2009 by Tela Botanica − Mathieu MENAND (cc-by-sa)
Caryophyllaceae
German-knotweed
Scleranthus annuus
Also known as German knotweed, Scleranthus annuus subsp. ceretanus, Knavel annuum, Scleranthus annuus var. subulatus
Native Plants · Weed · Ground Cover · Low Growing · Sandy Soil · Annual · European · Caryophyllaceae · Naturalized · Disturbed Habitat
German-knotweed is a low-growing annual weed that thrives in disturbed, sandy, or gravelly soils with moderate moisture. It requires minimal care and does best in full sun to partial shade. It is rarely cultivated intentionally but may appear naturally in garden beds or pathways.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water lightly to keep soil moderately moist; avoid waterlogging · Every 7-10 days
- Maintenance
- Low
- Soil pH
- 4–4.5
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 4 in apart
- Growth rate
- Moderate
- Flowers
- No
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Albania, Alberta, Algeria, Amur, Argentina Northeast, Argentina South, Arkansas, Austria, Baleares, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, California, Canary Is., Cape Provinces, Central European Rus, Chile Central
- Attracts
- Bees
Sources: trefle, usda
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