trefle.io · Taken Oct 21, 2019 by Manfred van Treek (cc-by-sa)
Polygonaceae
Marsh-pepper smartweed
Persicaria hydropiper
Also known as Persicaria hydropiper f. angustissima, Persicaria erectominor var. koreensis, Persicaria hydropiper var. glandulosissima, Polygonum ciliare
Native Plants · Edibles & Herbs · Smartweed · Marsh Plant · Wetland · Pond Margin · Medicinal · Wildlife Garden · Perennial · Shade Tolerant · Persicaria · Water-Loving
Marsh-pepper smartweed thrives in moist to wet soils and is ideal for rain gardens, pond margins, or any consistently damp area in partial shade to full sun. It requires frequent watering in drier conditions but is largely self-sufficient in naturally wet environments. This plant has a long history of medicinal use and is a valuable addition to wildlife and naturalistic garden settings.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water regularly to maintain consistently moist soil; this species tolerates and even prefers wet or boggy conditions · Every 5-7 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–7
- Temperature
- -25°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alabama, Alaska, Albania, Algeria, Altay, Amur, Andaman Is., Arkansas, Assam, Austria, Azores, Baltic States, Bangladesh, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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