Xyris tennesseensis Plant Care

Xyris tennesseensis Kral

Updated · Sources · How we source care data

Xyris tennesseensis is a rare species of flowering plant in the family Xyridaceae known by the common name Tennessee yellow-eyed grass. It is native to a small section of the Southeastern United States, including parts of the states of Alabama, Georgia, and Tennessee.

Water

Every 3–5 days

Light

Full sun to partial shade

Temp

60–85°F

Humidity

50–70%

At a glance

How do you care for Xyris tennesseensis?

Water Xyris tennesseensis 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.

Where Is the Xyris tennesseensis Native To?

Native range1 country

What Is the Xyris tennesseensis?

Xyris tennesseensis (Xyris tennesseensis) belongs to the Xyridaceae family within the Xyris genus. Xyris tennesseensis is native to a small section of the Southeastern United States, including parts of the states of Alabama, Georgia, and Tennessee.

Xyris tennesseensis displays a grass-like perennial growth habit, reaching up to 1 ft tall with a spread of approximately 0.5 ft. Xyris tennesseensis produces small yellow flowers on tall spikes.

Leaf size: approximately 12 inches.

How Often Should You Water a Xyris tennesseensis?

Xyris tennesseensis 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 Xyris tennesseensis Need?

Xyris tennesseensis thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Xyris tennesseensis Prefer?

Xyris tennesseensis grows best at temperatures of 60–85°F. Xyris tennesseensis 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 Xyris tennesseensis?

Sandy, acidic soil with good drainage. Good drainage is essential for Xyris tennesseensis to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Xyris tennesseensis?

Feed Xyris tennesseensis 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 Xyris tennesseensis?

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 Xyris tennesseensis?

Xyris tennesseensis 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 Xyris tennesseensis Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Xyris tennesseensis, 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 Xyris tennesseensis?

Xyris tennesseensis 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 Xyris tennesseensis Need?

Xyris tennesseensis grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Xyris tennesseensis is native to a small section of the Southeastern United States, including parts of the states of Alabama, Georgia, and Tennessee. In cooler regions, grow Xyris tennesseensis as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Xyris tennesseensis 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.

Xyris tennesseensis 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 tennesseensis Kral, family Xyridaceae (first published in Rhodora 80: 444 (1978)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Xyris tennesseensis, 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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