Potamogeton obtusifolius — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Potamogeton obtusifolius

Potamogeton Obtusifolius

Updated · 9 observations
ON THIS PLANT

Potamogeton obtusifolius, known as blunt-leaved pondweed, is an aquatic plant in the genus Potamogeton. It grows mainly in mesotrophic to eutrophic lakes, ponds and ditches, rarely in brackish water. It occurs primarily in Central Europe, the British Isles, Fennoscandia and eastern North America.

A note from PlantMom

Bluntleaf pondweed is fairly resistant to disease and typically does not suffer from illnesses. Nevertheless, it can be affected by pests and diseases found in its environment. Such infections tend to be mild. Regarding upkeep, this plant needs a moderate amount of care. It should be trimmed regularly to preserve its appearance and support healthy growth. Applying fertilizer can also encourage blooming. Bluntleaf pondweed is a good choice for anyone with outdoor space, like a garden or patio, and does not demand extensive plant-care experience. It may need extra attention if kept indoors.

— PlantMom
CARE GUIDE

How to keep Potamogeton Obtusifolius.

Light

Bluntleaf pondweed occurs in habitats with abundant sunlight, such as the shallow margins of ponds and lakes. It prefers full sun, although it can tolerate partial sun.

Temperature

Bluntleaf pondweed can adjust to a wide range of temperatures, but its distribution may still be constrained by various combinations of water availability and heat. It grows best in warm summer climates when there is sufficient rainfall or watering. Extended periods of cloudy, rainy weather, and prolonged high temperatures, can increase the chance that Bluntleaf pondweed will die. In winter, adequate protection from cold can improve the plant's survival.

Pruning

Bluntleaf pondweed flourishes in aquatic environments and is easily identified by its blunt-tipped leaves. To encourage optimal growth, it is best to prune it from early to late spring. This helps manage its spread and improve water quality. Be sure to cut back any decaying stems to promote new growth and use clean tools to avoid causing damage. This practice supports the overall health of the pond ecosystem.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Potamogeton
Family
Potamogetonaceae
Hardiness Zone
5-9
Mature Height
30 cm to 91 cm
Mature Spread
20 cm to 49 cm
Leaf Color
Olive Drab, Dark Olive Green
Leaf Type
Deciduous
Flower Size
0.20 cm to 0.25 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall
Native Area
Sweden, Austria, Slovakia, Slovenia, Croatia, Belarus, Russia, Germany, Iceland, Estonia, Romania, Latvia, Belgium, Netherlands, France, Czech Republic, Poland, Ukraine, Serbia, China, Lithuania, Norway, Kyrgyzstan, Kazakhstan, Italy, Switzerland, Denmark, Myanmar, Mongolia, Japan, Finland, Ireland, United Kingdom, Hungary
ALSO KNOWN AS

Other names.

en Blunt-leaved Pondweed en Bluntleaf Pondweed en Broad-leaved pondweed en Grassy pondweed
PLATES
Potamogeton obtusifolius leaf
PLATE 01 · leaf
Potamogeton obtusifolius leaf
PLATE 02 · leaf
Potamogeton obtusifolius fruit
PLATE 03 · fruit
Potamogeton obtusifolius bark
PLATE 04 · bark
Potamogeton obtusifolius bark
PLATE 05 · bark
Potamogeton obtusifolius habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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