
trefle.io · Taken Feb 21, 2021 by Sylvain Piry (cc-by-sa)
Potamogetonaceae
Horned-pondweed
Zannichellia palustris
Also known as Pelta palustris, Horned pondweed, Poolmat, Zannichellia
Native Plants · Aquatic · Submerged · Pond Plant · Water Garden · Wetland · Oxygenating Plant · Waterfowl · Aquatic Habitat · Freshwater · Pondweed
Horned-pondweed is a fully submerged aquatic plant that grows naturally in ponds, slow streams, and wetland margins. It provides important habitat and oxygenation for aquatic ecosystems and is a food source for waterfowl. Best suited for water gardens or restoration projects rather than traditional home gardening.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Plant must remain fully submerged in fresh, brackish, or slow-moving water at all times · Continuously submerged
- Maintenance
- High
- Soil
- loam
- Soil pH
- 5.5–6.5
- 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
- 6 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, Alberta, Algeria, Altay, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Austria, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bolivia
- Attracts
- Birds
Sources: trefle, usda
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