Elephant Grass Plant Care
Pennisetum purpureum Schumach.
Updated · Sources · How we source care data
Cenchrus purpureus, synonym Pennisetum purpureum, also known as Napier grass, elephant grass or Uganda grass, is a species of perennial tropical grass native to African grasslands. It has low water and nutrient requirements, and therefore can make use of otherwise uncultivated lands.
Every 7–10 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Elephant Grass?
Water Elephant Grass 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 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Elephant Grass?
Elephant Grass (Pennisetum purpureum) belongs to the Poaceae family within the Pennisetum genus. Elephant Grass is native to African grasslands. Elephant Grass is also known as Napier Grass, Ugandan Grass, Pearl Millet.
Elephant Grass displays an upright, clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Elephant Grass produces showy, feathery flower spikes in various colors.
Leaf size: approximately 12 inches.
How Often Should You Water a Elephant Grass?
Pennisetum purpureum 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 Elephant Grass Need?
Elephant Grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Elephant Grass Prefer?
Pennisetum purpureum grows best at temperatures of 60–80°F. Elephant Grass prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Elephant Grass?
Well-draining sandy loam with added organic matter. Good drainage is essential for Elephant Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Elephant Grass?
Feed Elephant Grass every 6 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 6 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 Elephant Grass?
Divide and repot every 2-3 years 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 Elephant Grass?
Elephant Grass can be propagated through division, seeds. Similar propagation techniques also apply to fountain grass plant care, which shares the same genus.
Is the Elephant Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Elephant Grass, 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 Elephant Grass?
Elephant Grass is susceptible to aphids, grasshoppers, cutworms. 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 Elephant Grass Need?
Elephant Grass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Elephant Grass is native to African grasslands. In cooler regions, grow Elephant Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Elephant Grass 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 Pennisetum genus — compare its care with other Pennisetum species on PlantoScan.
Pennisetum is part of the Poaceae plant family — browse all Poaceae genera and species.
Elephant Grass thrives in bright light and direct sun — see other bright-light plants.
More Pennisetum Species
Other Pennisetum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Pennisetum purpureum Schumach., family Poaceae (first published in Beskr. Guin. Pl. : 44 (1827)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Elephant Grass, 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 13a, calculated from the plant's minimum temperature.
- 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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