Eriophorum angustifolium, commonly known as common cottongrass or common cottonsedge, is a perennial plant in the family Cyperaceae. It is native to temperate regions of the Northern Hemisphere, including Europe, Asia, and North America. This plant is often found in wetlands, bogs, and marshes. It is known for its distinctive fluffy white seed heads that resemble cotton, which appear in late spring to early summer.
Eriophorum angustifolium thrives in temperate climates with moderate temperatures. It prefers indirect bright light and high humidity. This plant requires consistently wet or waterlogged soil, making it ideal for wetland or bog gardens. It does not require frequent fertilization and is relatively easy to care for.
Soil
Eriophorum angustifolium prefers peat soil that is consistently wet or waterlogged. Good drainage is not necessary as the plant thrives in waterlogged conditions. The soil should be acidic to slightly acidic, with a pH around 5.5.
Fertilizer
This plant does not require frequent fertilization. If needed, a light application of a balanced fertilizer can be applied during the growing season, but it generally thrives in nutrient-poor conditions.
Repotting
Repotting is not typically necessary for Eriophorum angustifolium, as it is usually grown in outdoor wetland conditions. However, if grown in a container, repotting can be done in early spring before the growing season begins. Ensure the new container has ample space and is filled with peat soil.
Propagation
Eriophorum angustifolium can be propagated by division or from seed. Division is best done in early spring or late fall. Carefully separate the clumps and replant them in suitable wetland conditions. Seeds can be sown in a moist, peat-based soil mix and kept consistently wet until germination.
Pruning
Pruning is not required for Eriophorum angustifolium. However, dead or damaged foliage can be removed to maintain the plant's appearance. This can be done in late fall or early spring.
Toxicity
Eriophorum angustifolium is not toxic to pets or humans. It is safe to grow in gardens where pets and children may be present.
Additional
Eriophorum angustifolium is an excellent plant for naturalizing wetland areas and can help with soil stabilization in boggy conditions. It also provides habitat and food for various wildlife species, including insects and birds.
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