Pineapple grass Plant Care
Sporobolus michauxianus (Hitchc.) P.M.Peterson & Saarela
Updated · Sources · How we source care data
Sporobolus michauxianus is a species of grass known as prairie cordgrass, freshwater cordgrass, tall marshgrass, and sloughgrass. It is native to much of North America, including central and eastern Canada and most of the contiguous United States except for the southwestern and southeastern regions.
Every 7–10 days
Full sun to partial shade
60–85°F
40–70%
At a glance
How do you care for Pineapple grass?
Water Pineapple 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 60–85°F (16–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
Where Is the Pineapple grass Native To?
What Is the Pineapple grass?
Pineapple grass (Sporobolus michauxianus) belongs to the Poaceae family within the Sporobolus genus. Pineapple grass is native to much of North America, including central and eastern Canada and most of the contiguous United States except for the southwestern and southeastern regions. Pineapple grass is also known as Pineapple-grass.
Pineapple grass displays an upright, clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Pineapple grass produces small inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Pineapple grass?
Sporobolus michauxianus 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 Pineapple grass Need?
Pineapple grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Pineapple grass Prefer?
Sporobolus michauxianus grows best at temperatures of 60–85°F. Pineapple grass prefers humidity levels of 40–70%.
Temperature
60–85°F
Humidity
40–70%
What Soil Mix Works Best for a Pineapple grass?
Well-draining sandy loam with added organic matter. Good drainage is essential for Pineapple grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Pineapple grass?
Feed Pineapple grass every 8 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 8 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 Pineapple grass?
Repot every 1-2 years in early 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 Pineapple grass?
Pineapple grass can be propagated through division, seeds. Similar propagation techniques also apply to foxtail dropseed plant care, which shares the same genus.
Is the Pineapple grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Pineapple 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 Pineapple grass?
Pineapple grass is susceptible to grasshoppers, aphids, spider mites. 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 Pineapple grass Need?
Pineapple grass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Pineapple grass is native to much of North America, including central and eastern Canada and most of the contiguous United States except for the southwestern and southeastern regions. In cooler regions, grow Pineapple grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Pineapple 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 Sporobolus genus — compare its care with other Sporobolus species on PlantoScan.
Sporobolus is part of the Poaceae plant family — browse all Poaceae genera and species.
Pineapple grass thrives in bright light and direct sun — see other bright-light plants.
More Sporobolus Species
Other Sporobolus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sporobolus michauxianus (Hitchc.) P.M.Peterson & Saarela, family Poaceae (first published in Taxon 63: 1237 (2014)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Pineapple 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.
Identify Plants Like the
Pineapple grass Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species