trefle.io · Taken Jun 24, 2021 by Micha Papke (cc-by-sa)
Brassicaceae
Great yellow cress
Rorippa amphibia
Also known as Large yellow watercress, Nasturtium officinale, Great yellowcress, Rorippa amphibia var. natans
Native Plants · Great Yellow Cress · Rorippa · Aquatic · Bog Plant · Water Garden · Pond Margin · Wetland · Yellow Flowers · Perennial · Pollinator
Great yellow cress is an aquatic to semi-aquatic perennial best suited for pond margins, rain gardens, or boggy areas where its roots can stay consistently wet. It thrives in full sun to partial shade and produces small yellow flowers attractive to pollinators. It is an unusual specialty plant that requires reliably moist to saturated soil and is not suitable for standard garden beds.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Keep soil consistently wet to moist; thrives in boggy or waterlogged conditions · Every 3-5 days
- Maintenance
- Moderate
- Soil pH
- 5.5–6.5
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Flowers
- No
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Altay, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Corse, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Iran
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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