Bistorta, Himalayan Fleece Flower, Himalayan Knotweed 'Darjeeling Red'

Bistortaaffinis

Genus
Bistorta (bis-TOR-tuh)
Species
affinis (uh-FEE-niss)
Synonym
Persicaria affinis
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Bloom Color
Pink
Red
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Groundcovers
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Dark/Black
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Albrightsville, Pennsylvania

Lititz, Pennsylvania

Phoenixville, Pennsylvania

Olympia, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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S
White Lake, ON (Zone 4b) | February 2008 | positive

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...Read More

M
Deer Park, TX (Zone 9a) | October 2007 | neutral

Has elongated leaves that turn bright red in fall.

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