Polygonum hydropiper 'part-time job'

Persicaria amplexicauli 'Alba'

Persicaria amplexicaulis 'Alba' is a perennial herbaceous plant and a variety with white flowers. The following is various information about this plant.

Growth Characteristics
- Growth Habit: Persicaria amplexicaulis 'Alba' exhibits an upright growth habit and is a highly cold-hardy plant that thrives even in cold regions.
- Height: It grows to approximately 60–100 cm.
- Flowers: White flowers bloom from summer to autumn, forming long, continuous inflorescences.
- Leaves: The leaves are lance-shaped and dark green.

Propagation Methods
- Seed Propagation: It can be propagated by seeds, and the germination rate is relatively high. Sowing in the spring is appropriate.
- Division Propagation: It can be propagated by root division. It is best to divide in early spring or late autumn.

Cultivation Methods
- Soil: It prefers well-drained soil and grows well even in slightly moist soil. - Sunlight: It thrives in sunny locations and adapts to partial shade.
- Watering: Water thoroughly during dry periods, but avoid overwatering.

Uses in the Garden
- Polygonum alba is suitable as a background plant for garden edges or flowerbeds due to its beautiful flowers.
- It can be planted alongside perennials or shrubs to create a sense of seasonality.

Important Pests and Control Methods
- Diseases: Polygonum alba is generally resistant to diseases, but fungal diseases may occur due to excessive moisture. It is important to plant with sufficient spacing to ensure good ventilation.
- Pests: Pests such as aphids may appear on the leaves. In this case, soapy water or oil sprays can be used as an eco-friendly method.
- When using chemical control, use registered pesticides and apply them in the appropriate amount and method according to guidelines.

Polygonum alba is a relatively easy-to-care-for plant that grows well in suitable environments. You can utilize it to create a beautiful garden.

Plant Type
Plant Family	Knotweed family
Height	90~120cm
Spread	90~120cm
Colors	white
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Polygonum 'Taurus'
Persicaria amplexicaulis 'Taurus'

Knotweed 'Superba'
Persicaria affinis 'Superba'