Persicaria maculosa (syn. Polygonum persicaria) is an annual plant in the buckwheat family, Polygonaceae. Common names include lady's thumb, spotted lady's thumb, Jesusplant, and redshank. It is widespread across Eurasia from Iceland south to Portugal and east to Japan. It is also present as an introduced and invasive species in North America, where it was first noted in the Great Lakes region in 1843 and has now spread through most of the continent.
Redshank is fairly disease-resistant and usually does not develop illnesses. However, it can be vulnerable to pests and diseases present in its environment. These problems are generally mild. Regarding care, the plant requires moderate maintenance. It should be pruned regularly to keep a neat appearance and promote healthy growth. Fertilizing can also encourage flowering. Redshank is well suited for anyone with an outdoor area, such as a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.
How to keep Polygonum Persicaria.
Light
Redshank comes from bright, open habitats and performs best in full sun. It tolerates partial shade but prefers direct sunlight for optimal growth. This plant, which can be annual or biennial, is noted for its sun-loving habit.
Temperature
Redshank can tolerate a wide range of temperature conditions, although its distribution can still be constrained by various combinations of moisture and heat. It grows best in warm summer climates with sufficient rainfall or irrigation. Extended periods of cloudy, rainy weather or prolonged high temperatures can raise the risk of Redshank dying. In winter, adequate protection from the cold can increase the plant's chances of survival.
Fertilizer
Redshank does well with regular, low-strength fertilizer applications to encourage healthy leaf development. Fertilize Redshank about once a month during the summer. Nitrogen is important for foliage, and providing nitrogen-rich sources helps Redshank thrive.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual, Perennial
- Genus
- Polygonum
- Family
- Polygonaceae
- Hardiness Zone
- 4-10
- Mature Height
- 20 cm to 61 cm
- Mature Spread
- 30 cm to 49 cm
- Leaf Color
- Green
- Leaf Type
- Semi-evergreen
- Flower Color
- Pink
- Flower Size
- 0.25 cm to 0.51 cm
- Bloom Time
- Summer, Fall
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Fall, Early winter
- Native Area
- Egypt, Turkey, Sweden, India, Austria, Slovakia, Montenegro, Pakistan, Slovenia, Morocco, Croatia, Yemen, Belarus, Uzbekistan, Russia, Iraq, Germany, Iceland, Estonia, Koppen, Romania, Latvia, South Korea, Belgium, Portugal, Netherlands, France, Tajikistan, Czech Republic, Bulgaria, Armenia, Poland, Laos, Greece, Ukraine, Serbia, Lebanon, Lithuania, Norway, China, Afghanistan, Syria, Kyrgyzstan, Kazakhstan, Italy, Spain, Switzerland, Vietnam, Japan, Finland, Denmark, Iran, Albania, Ireland, United Kingdom, Hungary, Algeria, Azerbaijan, Turkmenistan
Other names.
