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Persicaria Species, Smartweed, Marshpepper Knotweed, Water Pepper

Persicariahydropiper

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Persicaria hydropiper by kennedyh
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Genus
Persicaria (per-sih-KAR-ee-uh)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage

Unknown - Tell us

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing

Unknown - Tell us

Hardiness

Unknown - Tell us

Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Pale Green
Chartreuse (yellow-green)
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Annuals
Herbs
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
Soil pH requirements

Unknown - Tell us

Patent Information

Unknown - Tell us

Propagation Methods
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Properly cleaned, seed can be successfully stored
Regional

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

Saint Michael, Minnesota

Cole Camp, Missouri

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Belleville, IL (Zone 6b) | January 2005 | positive

I leave these weeds alone. The Japanese Beetles seem to love these and leave more desirable plants alone.
They seem to like all ...Read More

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