Marsh Cudweed (Gnaphalium uliginosum)
About this plant
Gnaphalium uliginosum, commonly known as Marsh Cudweed, is a small, herbaceous plant with soft, woolly leaves and small clustered flowers. It typically grows in damp, open habitats such as marshes and wet meadows. This plant is valued for its resilience and ability to thrive in moist soils where other plants might struggle.
Taxonomy
Higher classification: Asterales
Origin & Distribution
- Native region
- Europe, Asia
- Distribution
- Widely found across Europe and parts of Asia, especially in wetland and marshy areas.
Care
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, East-facing
- USDA hardiness zones
- 4-9
- Soil pH
- 5.5-7.0 (slightly acidic to neutral)
- Soil type
- well-draining loam, moist soil
Watering. Keep soil consistently moist but not waterlogged. Water more frequently during dry spells.
Fertilizing. This plant generally does not require much fertilizing. If desired, a light application of balanced fertilizer in early spring can support growth.
Gnaphalium uliginosum is a hardy plant that grows well in moist, open areas. It prefers well-drained soil and can tolerate some drought once established. It requires minimal maintenance and is generally resistant to pests and diseases.
Propagation
- Propagation methods
- Seeds, Cuttings
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Soft, woolly foliage with small, clustered cream or pale yellow flowers that bloom in summer.
Toxicity & Safety
This plant is not known to be toxic to humans or pets.
Allergy information
Gnaphalium uliginosum may cause mild allergic reactions in sensitive individuals, mainly due to its pollen. People who are allergic to airborne pollen might experience sneezing or itchy eyes when near this plant. To reduce exposure, avoid handling the plant during its flowering period and keep windows closed if pollen levels are high.
Common problems
Overwatering can cause root rot, and poor drainage may lead to fungal issues. Low light conditions can reduce growth and flowering.
Uses
Primarily used as an ornamental plant in naturalistic gardens and wetland restoration projects.
Notes
Prune dead stems after flowering to encourage fresh growth. Suitable for naturalized garden areas or wildflower meadows.