Western waterweed (Elodea nuttallii)

Western waterweed

Also known as: Western elodea, Nuttall's pondweed

The western waterweed (Elodea nuttallii) is an aquatic perennial that can grow rapidly, especially female plants. Native to North America, it has become invasive in Europe, crowding out native plants and competing for nutrients in the water. It blooms from spring to fall with purple flowers. It grows completely submerged underwater and is often used in aquariums.

Scientific classification

Species

Western waterweed (Elodea nuttallii)

Water plantains and allies

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Perennial

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

2 m

Plant Height

White

Flower Color

Deciduous

Leaf type

Distribution of Western waterweed

Distribution Map

Western waterweed, natively hailing from North America, has found its way to various regions, notably in Europe and Asia. It thrives in freshwater environments, where its proliferation is sometimes thought to be assertive, especially in certain areas outside its indigenous range. In some ecosystems, such as parts of Asia, western waterweed may have an impact, although its cultivation specifics go unreported in this context. The plant's adaptive nature has allowed it to establish itself across diverse geographical landscapes.

Native

Cultivated

Invasive

Introduced

No species reported

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Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Western waterweed

Every week

Water

Full sun

Sunlight

15 - 32 ℃

Ideal Temperature

Water: Originating from aquatic environments, western waterweed thrives in consistently moist conditions and requires weekly watering. Typically grown underwater in ponds or aquariums, it is an evergreen plant, maintaining foliage year-round, crucial for oxygen levels and shelter in aquatic ecosystems.

Fertilize: Western waterweed thrives with monthly applications of aquatic-plant-specific fertilizers, using pellets or liquids as per instructions. Proper dosing adjusts with growth stages, while over-fertilization risks algae. Always dissolve fertilizers thoroughly and practice safe handling to preserve water quality.

Pruning: Western waterweed flourishes in aquatic settings with submerged leaves. Prune from early to late spring, cutting below leaf nodes to foster growth and control spread. Regular pruning maintains water oxygen levels, clarity, and overall health, while preventing unwanted propagation by avoiding disposal in natural waters.

Propagation: Western waterweed can be easily propagated through stem cuttings in water, which should include several leaves and nodes. Maintaining proper light and nutrient levels, along with regular water changes and preventing overcrowding, will enhance rooting and growth during propagation.

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Distribution of Western waterweed

Care Guide for Western waterweed

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