Western Marsh Cudweed

Gnaphalium palustre

Native to:
Canada, Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Gnaphalium
Species:
Gnaphalium palustre
USDA Symbol:
GNPA

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

American Lady (Vanessa virginiensis)

Soil Requirements

Soil Type:
moist, nutrient-rich, loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetland areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI