Persicaria Species, Dyer's Knotweed, Japanese Indigo

Persicariatinctoria

Genus
Persicaria (per-sih-KAR-ee-uh)
Species
tinctoria (tink-TOR-ee-uh)
Synonym
Polygonum tinctorium
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Textured
Height
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
Not Applicable
Danger
N/A
Bloom Color
Pink
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Annuals
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible
Regional

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

Minneapolis, Minnesota

Saint Joseph, Missouri

Featured Videos

Gardener's Notes:

0
positive
0
neutral
0
negative
Sort By:
Sort By:
Featured
Common Garden Katydid
(Caedicia simplex)
Audubon's Warbler (formerly Yellow-rumped Warbler p.p.)
(Setophaga auduboni)
Featured
Common Garden Katydid
(Caedicia simplex)
Audubon's Warbler (formerly Yellow-rumped Warbler p.p.)
(Setophaga auduboni)