Overview

Persicaria affinis 'Donald Lowndes' is a perennial in the genus Bistorta, part of the Polygonaceae family. Persicaria affinis 'Donald Lowndes' grows best in full sun and partial shade, and tolerates moist and well-drained soil soils. Its UK hardiness is rated H5. Suggested uses include groundcover, borders and rock gardens. It is native to Himalayas.

About

Bistorta affinis, the Himalayan bistort, fleece flower, or knotweed, is a species of flowering plant in the family Polygonaceae, native to the Himalayas.

Wikipedia contributors, CC BY-SA 4.0Bistorta affinis

About the genus

Bistorta is a genus of flowering plants in the family Polygonaceae. As of February 2019 about 40 species are accepted. It has been supported as a separate clade by molecular phylogenetic analysis.

Wikipedia contributors, "Bistorta", CC BY-SA 4.0Bistorta

Growing conditions

Best soil and position for Bistorta

Sunlight
full sun, partial shade
Soil type
moist, well-drained soil
Soil moisture
moist
UK hardiness
H5

Plant details

Persicaria affinis 'Donald Lowndes' size, habit and characteristics

Plant type
perennial
Suggested uses
groundcover, borders, rock gardens
Native to
Himalayas

Care notes

Pruning and caring for Persicaria affinis 'Donald Lowndes'

Cultivation
Prefers moist, well-drained soil; tolerates partial shade; cut back old flower stems after flowering
Pruning
Cut back after flowering to maintain shape and encourage fresh growth
Propagation
division in spring or autumn

Frequently asked questions

How do I grow Persicaria affinis 'Donald Lowndes'?

Prefers moist, well-drained soil; tolerates partial shade; cut back old flower stems after flowering.

Where is the best place to plant Persicaria affinis 'Donald Lowndes'?

Persicaria affinis 'Donald Lowndes' prefers full sun and partial shade.

What soil does Persicaria affinis 'Donald Lowndes' need?

Persicaria affinis 'Donald Lowndes' grows best in moist and well-drained soil soil. Aim for soil that stays moist.

How do I prune Persicaria affinis 'Donald Lowndes'?

Cut back after flowering to maintain shape and encourage fresh growth.

Is Persicaria affinis 'Donald Lowndes' hardy in the UK?

Persicaria affinis 'Donald Lowndes' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Persicaria affinis 'Donald Lowndes'?

Division in spring or autumn.

More in the Bistorta genus

Browse all Bistorta