Photo by Melody

PlantFiles: Himalayan Knotweed, Himalayan Fleece Flower
Persicaria affinis 'Darjeeling Red'

Family: Polygonaceae
Genus: Persicaria (per-sih-KAR-ee-uh) (Info)
Species: affinis (uh-FEE-niss) (Info)
Cultivar: Darjeeling Red

Synonym:Polygonum affine

One vendor has this plant for sale.

3 members have or want this plant for trade.


6-12 in. (15-30 cm)

18-24 in. (45-60 cm)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By sanannie
Thumbnail #1 of Persicaria affinis by sanannie

By kniphofia
Thumbnail #2 of Persicaria affinis by kniphofia


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive sanannie On Feb 23, 2008, sanannie from White Lake, ON (Zone 4b) wrote:

One of the longest blooming perennials for us. The flowers age from pink to red and are very long lasting, so it appears to bloom in two colours. Spreads almost as fast as Lamium, but is easy to control. Give it some elbow room.

Neutral macybee On Oct 19, 2007, macybee from Deer Park, TX (Zone 9a) wrote:

Has elongated leaves that turn bright red in fall.


This plant has been said to grow in the following regions:

Lititz, Pennsylvania
Olympia, Washington

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