trefle.io · Taken Jun 1, 2022 by Florence Caron (cc-by-sa)
Haloragaceae
Alternateflower watermilfoil
Myriophyllum alterniflorum
Also known as Myriophyllum verticillatum subsp. alterniflorum, Myriophyllum montanum, Water milfoil, Myriophyllum alterniflorum var. americanum
Native Plants · Aquatic · Submerged · Pond Plant · Water Garden · Oxygenator · Watermilfoil · Haloragaceae · Perennial · Wetland · Native Pond
Alternateflower watermilfoil is a submerged aquatic perennial ideal for garden ponds, water features, and naturalistic wetland plantings. It grows best in clean, cool water with moderate sunlight and plays an important ecological role by oxygenating water and providing habitat for aquatic invertebrates and fish. Monitor growth regularly as aquatic milfoils can spread vigorously in favorable conditions.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Requires permanent water submersion; suitable for ponds or aquatic containers with still or slow-moving water · Continuously submerged or consistently waterlogged
- Maintenance
- Moderate
- Soil
- peat
- Soil pH
- 5–5.5
- Temperature
- -20°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed, Cutting
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 6 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
- Alaska, Algeria, Azores, Belarus, Belgium, Central European Rus, China North-Central, China South-Central, China Southeast, Connecticut, Corse, Czechoslovakia, Denmark, East Aegean Is., Finland, France, FøRoyar, Germany, Great Britain, Greece
- Attracts
- Bees, Birds
Sources: trefle, usda
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