Fountain Grass Plant Care
Pennisetum alopecuroides (L.) Spreng.
Cenchrus alopecuroides, previously Pennisetum alopecuroides, commonly known as the Chinese pennisetum, Chinese fountaingrass, dwarf fountain grass, foxtail fountain grass, or swamp foxtail grass, is a species of perennial grass native to Asia and Australia. The culms are erect, and 60–100 cm long.
Every 7–10 days
Full sun to partial shade
60–80°F
40–70%
What Is the Fountain Grass?
Fountain Grass (Pennisetum alopecuroides) belongs to the Poaceae family within the Pennisetum genus. Fountain Grass is native to Asia and Australia. Fountain Grass is also known as Chinese Fountain Grass, Japanese Fountain Grass.
Fountain Grass displays an upright, clumping grass growth habit, reaching up to 3 inches tall with a spread of approximately 2 inches. Fountain Grass produces showy, feathery flower spikes in various colors.
Leaf size: approximately 12 inches.
How Often Should You Water a Fountain Grass?
Pennisetum alopecuroides 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 Fountain Grass Need?
Fountain Grass thrives in full sun to partial shade light conditions. The optimal light range is 2000–5000 lux. Avoid placing Fountain Grass in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
2000–5000 lux
What Temperature and Humidity Does the Fountain Grass Prefer?
Pennisetum alopecuroides grows best at temperatures between 60°F and 80°F. Fountain Grass prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Fountain Grass?
Well-draining sandy loam with added organic matter. Good drainage is essential for Fountain Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Fountain 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 Fountain Grass?
Fountain Grass can be propagated through division, seeds. Similar propagation techniques also apply to purple fountain grass plant care, which shares the same genus.
Fertilizing
Every 6 months
During the growing season
Is the Fountain Grass Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Fountain Grass?
Fountain 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.
What USDA Hardiness Zone Does the Fountain Grass Need?
Fountain Grass grows outdoors in USDA Zone 5a – 9b. Native to Asia and Australia, Fountain Grass is adapted to warm climates. In cooler regions, grow Fountain Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 5a – 9b
Keep exploring plants
Fountain 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.
Fountain Grass tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
More Pennisetum Species
Other Pennisetum species in PlantoScan's care catalogue share similar watering, light, and soil preferences: