Rough Yelloweyed Grass Plant Care
Xyris asperula Mart.
Updated · Sources · How we source care data
Xyris asperula is an uncommon South American species of flowering plants in the yellow-eyed-grass family. It has been found in Bolivia and also in the States of Goiás and Minas Gerais in Brazil.
Every 3–5 days
Full sun to partial shade
60–85°F
50–70%
At a glance
How do you care for Rough Yelloweyed Grass?
Water Rough Yelloweyed Grass every 3–5 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 50–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Rough Yelloweyed Grass?
Rough Yelloweyed Grass (Xyris asperula) belongs to the Xyridaceae family within the Xyris genus. Rough Yelloweyed Grass is native to Bolivia and also in the States of Goiás and Minas Gerais in Brazil.
Rough Yelloweyed Grass displays a grass-like perennial growth habit, reaching up to 1 ft tall with a spread of approximately 0.5 ft. Rough Yelloweyed Grass produces small yellow flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Rough Yelloweyed Grass?
Xyris asperula requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Rough Yelloweyed Grass Need?
Rough Yelloweyed Grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Rough Yelloweyed Grass Prefer?
Xyris asperula grows best at temperatures of 60–85°F. Rough Yelloweyed Grass prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–85°F
Humidity
50–70%
What Soil Mix Works Best for a Rough Yelloweyed Grass?
Sandy, acidic soil with good drainage. Good drainage is essential for Rough Yelloweyed Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Rough Yelloweyed Grass?
Feed Rough Yelloweyed 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 Rough Yelloweyed Grass?
Repot every 1-2 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 Rough Yelloweyed Grass?
Rough Yelloweyed Grass can be propagated through division, seeds. Similar propagation techniques also apply to ambiguous yellow-eyed grass plant care, which shares the same genus.
Is the Rough Yelloweyed Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Rough Yelloweyed 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 Rough Yelloweyed Grass?
Rough Yelloweyed Grass is susceptible to 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 Rough Yelloweyed Grass Need?
Rough Yelloweyed Grass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Rough Yelloweyed Grass is native to Bolivia and also in the States of Goiás and Minas Gerais in Brazil. In cooler regions, grow Rough Yelloweyed Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Rough Yelloweyed 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 Xyris genus — compare its care with other Xyris species on PlantoScan.
Xyris is part of the Xyridaceae plant family — browse all Xyridaceae genera and species.
Rough Yelloweyed Grass thrives in bright light and direct sun — see other bright-light plants.
More Xyris Species
Other Xyris species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Xyris asperula Mart., family Xyridaceae (first published in Flora 24(2 Beibl.): 57 (1841)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Rough Yelloweyed 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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