The marsh willowherb, also known as "codlings and cream", emits a distinctive smell similar to cold cream when its leaves are crushed. It can be found around boreal forests all over the Northern Hemisphere. The plant can reduce biodiversity in areas where it grows because it chokes off water flow.
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Perennial
Lifespan
10 cm to 70 cm
Plant Height
8 mm to 1.3 cm
Flower Size
Pink, Purple
Flower Color
Deciduous
Leaf type
0 - 21 ℃
Ideal Temperature
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Distribution
Care Guide
Images of Marsh willowherb
Distribution of Marsh willowherb
Distribution Map
Marsh willowherb is naturally found across a diverse range of temperate and boreal regions, spreading its roots in various parts of Europe, Asia, and North America. Its native habitat encompasses the marshes and wetlands of the northern hemisphere, notably in the colder and temperate climates. Over time, marsh willowherb has maintained a stable presence in its native locales without extensive documentation of being introduced to non-native territories.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Marshes, acid fens, ditches
Hemisphere Trend Curve
Northern
Sorthern
Care Guide for Marsh willowherb
Every week
Water
Full sun
Sunlight
0 - 21 ℃
Ideal Temperature
Water:
Marsh willowherb thrives in moist environments and requires weekly watering to maintain health. Adapted to wetland habitats, it tolerates soggy soils yet needs a balance to avoid waterlogging. Optimal growth occurs outdoors, where soil moisture mimics its natural damp conditions.
Fertilize:
To encourage marsh willowherb's growth, apply balanced liquid fertilizers monthly during the growing season. Avoid over-fertilization to prevent root burn, especially as marsh willowherb enters dormancy. Wear gloves when handling fertilizers and ensure even distribution, avoiding foliage contact for optimal results.
Pruning:
Prune marsh willowherb in early to late spring to encourage growth and manage spread. Remove dead or damaged stems and thin the plant for better air circulation. Pruning rejuvenates older plants, enhancing vigor and flowering potential for a healthier, more vibrant appearance.
Propagation:
Marsh willowherb is a herbaceous perennial thriving in wet environments, best propagated by sowing seeds in a damp, well-draining medium. Consistent moisture is key, along with light soil covering for germination. Proper spacing prevents overcrowding, promoting healthy establishment and spread in its habitat.
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