Great yellowcress (Rorippa amphibia)

Great yellowcress

Also known as: Great yellow cress

Great yellowcress is a flowering plant that attracts a wide variety of pollinators resulting in pollination syndrome, creating an array of hybrids. It grows in Finland, often in areas with wastewater such as drainage ditches. The plant is often used in aquariums for its love of filthy, muddy water.

Scientific classification

Species

Great yellowcress (Rorippa amphibia)

Mustards, capers, and allies

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

Mid summer, Early fall

Harvest Time

Semi-evergreen

Leaf type

5 - 35 ℃

Ideal Temperature

Images of Great yellowcress

Distribution of Great yellowcress

Distribution Map

The aquatic plant great yellowcress is native to a broad range across Europe, including the western, central, northern, and eastern regions, colonizing various freshwater habitats. It extends into parts of Western Asia and North Africa. The species also shows an introduced presence in the temperate zones of the Southern Hemisphere, notably in New Zealand.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

By ponds, ditches, streams, in water, in acid or calcareous conditions.

Care Guide for Great yellowcress

Every week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Great yellowcress thrives in wetland habitats, tolerating high moisture and brief flooding. It requires consistent hydration, ideally weekly watering, to maintain health. Preferring outdoor settings that mimic its natural environment, great yellowcress can regulate water intake through seasonal rainfall.

Fertilize: Use a balanced fertilizer monthly during great yellowcress’s active growth for optimal health, adhering to label guidelines to prevent excess. Reduce fertilization in winter, dilute properly, and apply around the base. Following these steps supports great yellowcress’s growth and ecological contributions.

Pruning: Great yellowcress features bright yellow flowers and thrives in wet areas. Prune in early to late spring to support new growth, remove dead stems, and thin crowded sections for better air circulation. Regular pruning fosters a fuller appearance and curbs aggressive spreading.

Propagation: Great yellowcress is an aquatic perennial that thrives in moist habitats. It propagates well through cuttings from healthy stems with leaf nodes. Cuttings can root in water or damp soil, requiring careful handling and a stable environment for successful establishment and vibrant growth.

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Images of Great yellowcress

Distribution of Great yellowcress

Care Guide for Great yellowcress

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