Valley redstem (Ammannia coccinea)

Valley redstem

Also known as: Pink redstem, Purple redstem, Scarlet toothcup

The valley redstem (Ammannia coccinea) is so-called because the leaves, fruit and stem turn red in the fall. It has a long blooming period, during which flowers and fruit are seen together. Its habitat is lake and river banks and mudflats, and it is eaten by the common teal.

Scientific classification

Species

Valley redstem (Ammannia coccinea)

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Annual

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

20 cm to 61 cm

Plant Height

30 cm

Spread

6 mm

Flower Size

Pink, Purple

Flower Color

Deciduous

Leaf type

Images of Valley redstem

Attributes of Valley redstem

Growth Rate

During spring, valley redstem exhibits a moderate growth rate, striking a balance between resource allocation and growth to support its development. This speed sees a noticeable increase in its plant height, more foliage production and the initial stages of inflorescence. However, growth might vary in other seasons.

Distribution of Valley redstem

Distribution Map

Valley redstem is a plant with a native range that spans parts of North, Central, and South America. It has been introduced to regions in Europe, the Middle East, East Asia, and South America. Its natural habitat has broadened, establishing a presence across multiple continents and major regions around the globe.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Riverbanks, pond margins

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Valley redstem

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Valley redstem thrives in moist, wetland-like environments, requiring consistent moisture. Watering once a week is essential to prevent waterlogging. Resilient to varying water levels, valley redstem can handle both inundation and moderate dryness, making it well-suited for outdoor settings near water bodies.

Fertilize: Valley redstem requires balanced nutrition with high-nitrogen fertilizers during peak growth, applied bi-weekly. Avoid over-fertilization to prevent root burn. Adjust frequency in dormancy and water after application. Proper nourishment ensures vibrant colors and robust health.

Pruning: Valley redstem features vibrant red stems and thrives in wet conditions. Prune in early to late spring, removing dead stems to boost growth and airflow. Sanitize tools to prevent disease, enhancing flowering and resilience while maintaining size and shape.

Propagation: Valley redstem prefers moist, well-drained soils and propagates through sowing. Seeds need consistent moisture and ample sunlight for germination. Careful transplanting is essential to protect seedlings' roots. Once established, valley redstem is hardy but requires careful monitoring of soil moisture for continued health.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Learn More About Valley redstem

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free