Amaranthus cannabinus
SPECIMEN · FROM THE LIBRARY
Amaranthus cannabinus

Amaranthus Cannabinus

ON THIS PLANT

Amaranthus cannabinus is a plant species also known as salt marsh water hemp or salt marsh pigweed. It is a herbaceous perennial found in most of the eastern United States. It grows from 1 to 3 m in height. It is often mistaken for Amaranthus australis.

A note from PlantMom

Tidalmarsh amaranth has strong disease resistance and is generally not prone to illnesses. Still, it can be vulnerable to pests and diseases present in its environment. Such infections are typically mild. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to preserve its appearance and healthy growth. Applying fertilizer can also encourage flowering. Tidalmarsh amaranth is suitable for anyone with outdoor space, like a garden or patio, and does not demand extensive care experience. It may require more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Amaranthus Cannabinus.

Light

Tidalmarsh amaranth is a sun-loving, perennial herbaceous plant that comes from open habitats and often thrives in meadows and grasslands. It prefers full sun but can also tolerate partial sun.

Water

Tidalmarsh amaranth flourishes in consistently moist environments, making wetlands its preferred habitat. Although it can tolerate moderate drought, weekly watering is ideal for maintaining its health. Providing abundant water during the growing season supports its vigorous growth and resilience.

Temperature

Tidalmarsh amaranth comes from tropical areas, where the climate is generally warm and humid. As a result, it is adapted to high temperatures and humidity. It dislikes abrupt temperature changes and prefers a stable thermal environment, so it is important to avoid temperature fluctuations indoors. It typically cannot tolerate cold conditions and requires warmer temperatures to grow. If the surrounding temperature falls too low, the plant may stop growing or even die.

Fertilizer

Tidalmarsh amaranth needs the most fertilizer during its active growing period, which is mainly in spring, summer, and early fall. Fertilization supplies essential nutrients that the soil may lack, supporting healthy root and stem growth and promoting the attractive foliage that is a key characteristic of this plant.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Amaranthus
Family
Amaranthaceae
Hardiness Zone
3-10
Leaf Type
Semi-evergreen
Flower Color
Yellow, Green
Native Area
Georgia
ALSO KNOWN AS

Other names.

en Salt-marsh Water-hemp en Tidal-marsh Water-hemp en Tidalmarsh Amaranth en Water-hemp Pigweed en Tide-marsh water hemp en Virginian hemp en Salt-marsh pigweed en Salt-marsh water hemp
PLATES
Amaranthus cannabinus leaf
PLATE 01 · leaf
Amaranthus cannabinus bark
PLATE 02 · bark
ALSO IN THE LIBRARY

You might also like.