Polygonum scoparium — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Polygonum scoparium

Polygonum Scoparium

Updated · 44 observations
ON THIS PLANT
A note from PlantMom

Horsetail knotweed is fairly resistant to disease and typically does not suffer from illnesses. That said, it can be affected by pests and diseases present in its surroundings. These problems are usually minor. For care, this plant needs moderate maintenance. It should be pruned regularly to keep a neat appearance and support healthy growth. Fertilizing can also encourage flowering. Horsetail knotweed is appropriate for anyone with outdoor space, like a garden or patio, and does not demand much gardening experience. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Polygonum Scoparium.

Light

Horsetail knotweed is a perennial herbaceous plant that favors sunny conditions and comes from open habitats, commonly growing in meadows and grasslands. It prefers full sun but can also tolerate partial sun conditions.

Temperature

Horsetail knotweed is quite adaptable to temperature, able to endure higher heat and considerable temperature fluctuations. In hot weather, be mindful of watering and provide suitable shade to prevent sunburn. Its tolerance for low temperatures, however, is relatively poor; although it can tolerate some cold, excessively cold conditions may cause frost damage.

Fertilizer

One fertilizer application in spring is generally adequate for Horsetail knotweed, though multiple feedings can maximize growth. Fertilize about once every one to one and a half months. Feeding improves the leaves’ appearance and function, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake for the plant’s long-term health.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Polygonum
Family
Polygonaceae
Hardiness Zone
7-10
Mature Height
91 cm
Mature Spread
91 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Pink, White
Flower Size
0.20 cm to 0.51 cm
Bloom Time
Summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Fall
Native Area
Saudi Arabia, Libya, Egypt, Turkey, Tajikistan, Tunisia, Cyprus, Bulgaria, Greece, Morocco, Lebanon, Uzbekistan, Syria, Italy, Kazakhstan, Spain, Israel, Algeria, Qatar, Turkmenistan, Portugal
ALSO KNOWN AS

Other names.

en Corsican knotweed
PLATES
Polygonum scoparium leaf
PLATE 01 · leaf
Polygonum scoparium leaf
PLATE 02 · leaf
Polygonum scoparium flower
PLATE 03 · flower
Polygonum scoparium flower
PLATE 04 · flower
Polygonum scoparium habit
PLATE 05 · habit
Polygonum scoparium habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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