Polygonum patulum, called tree hogweed, is a species of flowering plant in the knotweed family. It is native to the Mediterranean region, eastern Europe, the Caucasus, Siberia, Central Asia, Mongolia, and the Province of Xinjiang in northwestern China. It has also become sparingly naturalized in scattered locations in Australia and North America.
Pale smartweed is fairly disease-resistant and typically not prone to illnesses. However, it can be affected by pests and diseases present in its local environment. These infections are usually mild. For care, the plant requires moderate maintenance. It should be pruned regularly to keep a tidy appearance and support healthy growth. Fertilizing can also help encourage flowering. Pale smartweed is suitable for anyone with outdoor space, such as a garden or patio, and does not demand much gardening experience. It may need more attention if grown indoors.
How to keep Polygonum Patulum.
Light
Pale smartweed comes from bright, open habitats and does best in full sun. It can tolerate partial sun but favors direct sunlight for optimal growth. This plant, which may be annual or biennial, is noted for its sun-loving nature.
Temperature
Pale smartweed originates from areas with mild climates and performs best at roughly 68–95 °F (20–35 °C). Seasonal temperature changes can be implemented as needed to encourage the plant's optimal growth. These adjustments should stay within its preferred range.
Fertilizer
Pale smartweed does well with regular, mild fertilizer applications to support healthy leaf growth. Fertilize pale smartweed about once a month during the summer. Nitrogen is important for foliage, and adding nitrogen-rich sources helps pale smartweed thrive.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual
- Genus
- Polygonum
- Family
- Polygonaceae
- Hardiness Zone
- 6-9
- Mature Height
- 0.25 m to 1.22 m
- Mature Spread
- 0.61 m to 1.22 m
- Leaf Color
- Green
- Leaf Type
- Deciduous
- Flower Color
- White
- Flower Size
- 0.25 cm to 0.51 cm
- Bloom Time
- Summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
- Native Area
- Turkey, Sweden, India, Slovakia, Montenegro, Pakistan, Thailand, Slovenia, Morocco, Croatia, Belarus, Germany, Indonesia, Koppen, Romania, Latvia, Belgium, Portugal, Netherlands, Tunisia, Philippines, Cyprus, Bulgaria, Bangladesh, Ukraine, Lebanon, China, Syria, Kyrgyzstan, Kazakhstan, Italy, Japan, Mongolia, Finland, Iran, Azerbaijan, Austria, Yemen, Uzbekistan, Russia, Iraq, Iceland, Estonia, South Korea, France, Nepal, Tajikistan, Czech Republic, Armenia, Poland, Greece, Serbia, Lithuania, Norway, Spain, Switzerland, Vietnam, Myanmar, Denmark, Albania, Ireland, United Kingdom, Hungary, Algeria, Turkmenistan
Other names.
