Silverweed Cinquefoil
Argentina anserina
- Native to:
- Afghanistan, Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Great Britain, Greenland, Hungary, Iceland, India, Iran, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Labrador, Lebanon-Syria, Mexico, Nepal, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Portugal, Prince Edward I., Romania, Russia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Ukraine, United States
Walter Siegmund (talk)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Argentina
- Species:
- Argentina anserina
- USDA Symbol:
- ARAN7
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Shade
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- yellow
- Ground Cover:
- Yes
- Lawn Substitute:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Dark marbled carpet (Dysstroma citrata), Epidemia dorcas, Epidemia helloides
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
Soil Requirements
- Soil Type:
- moist, sandy to loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in coastal and riparian zones
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 30-60 days to break dormancy; surface sow on moist soil.
Pre-treatment: None required
Establishment: Collection is typically difficult due to the plant's prostrate, stoloniferous form. Collection occurs early August to mid September when the yellow flower has turned brown and the achene is wrinkled and corky. One collection hour/person will yield an average 34 grams clean seed. Very small lots can be hand collected into paper bags.
Source: npn.rngr.net