Parana Watermilfoil Plant Care
Myriophyllum mattogrossense Hoehne
Updated · Sources · How we source care data
This aquatic plant's delicate, feathery leaves give it a unique appearance in any aquarium. Originating from South America, Myriophyllum mattogrossense is sought after by plant collectors for its vibrant green color and ability to create lush underwater landscapes.
Every 7–10 days
Full sun to partial shade
70–80°F
60–80%
At a glance
How do you care for Parana Watermilfoil?
Water Parana Watermilfoil every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 70–80°F (21–27°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.
Where Is the Parana Watermilfoil Native To?
What Is the Parana Watermilfoil?
Parana Watermilfoil (Myriophyllum mattogrossense) belongs to the Haloragaceae family within the Myriophyllum genus. Parana Watermilfoil is native to the wetlands of South America.
Parana Watermilfoil displays a submerged aquatic plant growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Parana Watermilfoil produces small inconspicuous flowers above water.
Leaf size: approximately 2 inches.
How Often Should You Water a Parana Watermilfoil?
Myriophyllum mattogrossense requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Parana Watermilfoil Need?
Parana Watermilfoil thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Parana Watermilfoil Prefer?
Myriophyllum mattogrossense grows best at temperatures of 70–80°F. Parana Watermilfoil prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
70–80°F
Humidity
60–80%
What Soil Mix Works Best for a Parana Watermilfoil?
Rich, loamy soil with good moisture retention. Good drainage is essential for Parana Watermilfoil to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Parana Watermilfoil?
Feed Parana Watermilfoil every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Parana Watermilfoil?
Repot annually in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Parana Watermilfoil?
Parana Watermilfoil can be propagated through stem cuttings, division, seeds. Similar propagation techniques also apply to alternate-flowered water-milfoil plant care, which shares the same genus.
Is the Parana Watermilfoil Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Parana Watermilfoil, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Parana Watermilfoil?
Parana Watermilfoil is susceptible to aphids, snails, algae. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Parana Watermilfoil Need?
Parana Watermilfoil grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Parana Watermilfoil is native to the wetlands of South America. In cooler regions, grow Parana Watermilfoil as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 11b
Keep exploring plants
Parana Watermilfoil is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Myriophyllum genus — compare its care with other Myriophyllum species on PlantoScan.
Myriophyllum is part of the Haloragaceae plant family — browse all Haloragaceae genera and species.
Parana Watermilfoil thrives in bright light and direct sun — see other bright-light plants.
More Myriophyllum Species
Other Myriophyllum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Myriophyllum mattogrossense Hoehne, family Haloragaceae (first published in Relat. Commiss. Linhas Telegr. Estratég. Matto Grosso Amazonas 5(6): 58 (1915)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Parana Watermilfoil, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 10a – 11b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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