Rotala Pond Plant - Care & Grow Guide

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how to plant rotala in a pond

Rotala, commonly known as Dwarf Rotala or Roundleaf Toothcup, is an aquatic perennial plant, and it will grow in all kinds of conditions, from the rice paddies of Southeast Asia to home aquariums and outdoor ponds!

Rotala has stems that protrude from the water's surface with purple and pink flowers that appear during the Summer bloom period.

This popular pond plant is commonly grown in marginal and boggy areas near the pond's edge. It's excellent at consuming nutrients that would otherwise fuel algae growth, helping to keep your pond water clean and clear!

Rotala (Rotala Rotundifolia) Quick Look

Scientific Name

Rotala Rotundifolia

Common Names

Roundleaf toothcup and dwarf rotala

Plant Type

Marginal pond plant/submerged plant

Light Requirements

Full sun to partial shade

Hardiness Zones

USDA Zone 6 - 13

Bloom

Spring through early Summer

Grow Up To

30+ inches

Flower Color

Purple, pink

How to Plant Rotala in a Pond

To plant Rotala in a pond, anchor the cuttings of the plants in 1-2 inches of the substrate. You can also plant them in containers and place them on a planting shelve in your pond, as they are emergent plants and will grow above the water's surface. This will help contain them as they can grow extremely fast.

Rotala thrives in various depths - from 2 inches to 2 feet - as long as they can get ample sunlight.

For best results, ensure a minimum spacing of 1 inch among Ludwigia plants. This will prevent any direct nutrient competition among them.

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Rotala Care Guide

Rotala is extremely easy to grow and care for, but it's also a fast-growing plant, so you'll want to keep it under control and prevent overcrowding by trimming it regularly, making sure to discard the cuttings outside and away from the pond.

Rotala can be left in the pond over winter, as it will simply grow back in Spring. Be sure to trim off any dead foliage and trim the plant down before winter sets in.

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