Persicaria polymorpha ~ Knotweed, Giant Fleece Flower-ServeScape

Persicaria polymorpha

Knotweed, Giant Fleece Flower

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**Dormancy Note - This plant may be currently dormant for the fall/winter! It is still available for purchase! Your delivered plant may be dormant, or showing very little top growth. However, you can still plant! These plants are putting all their energy into root production, so they will be ready to thrive in the spring! If you have any issues with your plant the following peak season, you can fill out our return request form to request a replacement plant.

Knotweed is a shrubby clump-forming perennial with lace-shaped dark green foliage.  Tall panicles of creamy-white flower plums resembling goats-beard bloom through summer and fade to tan in early fall.  Best flowering in full sun and moist, well-drained soils.  Drought and humidity tolerant once established.   

Type: 

Perennial

Height: 

3' - 5'

Spread: 

3’ - 4’

Spacing: 

3.5’

USDA Hardiness Zone: 

4 - 9

Culture: 

Full Sun

Bloom Color: 

White

Season of Interest:

Summer

MAINTENANCE NEEDS:  Low Maintenance.  Water regularly.  No serious pests or diseases.  Less aggressive spreader than many other Persicaria species. 

LANDSCAPE USES:  Accents or Group Plantings, Borders, Naturalized Areas, Rock Gardens, and Containers.

COMPANION PLANTS: Rose, Little Bluestem, Rudbeckia

IMAGE: Acabashi, 'Persicaria polymorpha' Giant fleeceflower in the West Garden, Hatfield House, Hertfordshire, England, CC BY-SA 4.0

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Persicaria polymorpha ~ Knotweed, Giant Fleece Flower-ServeScape

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Mario Cambardella
Founder, CEO

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