Knotweed, Presicaria, Polygonum


Name: Persicaria affinis
Family: Polygonaceae
Type: Flower, perennial

: 20 to 30 cm
Exposure: Sunny, half-shade
Ground: Ordinary, humus

Flowering: June to October
: Persistent.

Planting the knotweed:

The knots are planted from autumn to spring avoiding periods of frost.

Multiplication by division of a tuft in autumn.

Size, maintenance of the knotweed:

Remove the faded flowers gradually, this promotes the appearance of new flower buds.

But the knotweed develops very well without maintenance, it is self-contained and can sometimes become invasive...

To know about knotweed, presicaria, polygonum:

Lovely little perennial, it perfectly carpets the borders, rocky but also the foot of trees and shrubs.

Its bloom is generous from early summer to fall, while some varieties are considered invasive as their development is rapid.

All species flower in red, purple and pink tones, but their size can be very variable, ranging from a few centimeters to almost 1.5 m

Smart advice about knotweed:

The dwarf varieties of Persicaria can be planted in "ground cover", they are then remarkable.

Video: Water Knotweed (Persicaria amphibia, synoniem: Polygonum amphibium) - 2012-08-04.

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