Bluebunch Wheatgrass (Pseudoroegneria spicata)

Photo: Matt LavinCC BY 4.0via iNaturalistresized / cropped

Bluebunch Wheatgrass Plant Care

Pseudoroegneria spicata (Pursh) Á.Löve

Updated · Sources · How we source care data

This plant's most distinctive visual feature is its slender, bluish-green leaves that form dense tufts. Originating from North America, Pseudoroegneria spicata is highly sought after by plant collectors for its ability to thrive in dry, arid conditions and its elegant, ornamental appearance in gardens and landscapes.

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Water

Every 14–21 days

Light

Full sun

Temp

50–85°F

Humidity

20–60%

At a glance

How do you care for Bluebunch Wheatgrass?

Water Bluebunch Wheatgrass every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–85°F (10–29°C) and 20–60% humidity. Fertilize it every month during the growing season.

Where Is the Bluebunch Wheatgrass Native To?

Native range3 countries

What Is the Bluebunch Wheatgrass?

Bluebunch Wheatgrass (Pseudoroegneria spicata) belongs to the Poaceae family within the Pseudoroegneria genus. Bluebunch Wheatgrass is native to western North America. Bluebunch Wheatgrass is also known as Blue Bunchgrass, Blue Bunch Wheatgrass.

Bluebunch Wheatgrass displays a tall, bunchgrass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Bluebunch Wheatgrass produces small, inconspicuous flowers on tall spikes.

Leaf size: approximately 12 inches.

How Often Should You Water a Bluebunch Wheatgrass?

Pseudoroegneria spicata requires watering every 14–21 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 14–21 days

Let soil partially dry between waterings

What Light Does the Bluebunch Wheatgrass Need?

Bluebunch Wheatgrass thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Bluebunch Wheatgrass Prefer?

Pseudoroegneria spicata grows best at temperatures of 50–85°F. Bluebunch Wheatgrass prefers humidity levels of 20–60%.

Temperature

50–85°F

Humidity

20–60%

What Soil Mix Works Best for a Bluebunch Wheatgrass?

Well-draining sandy loam with good aeration. Good drainage is essential for Bluebunch Wheatgrass to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Bluebunch Wheatgrass?

Feed Bluebunch Wheatgrass every month 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 month

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Bluebunch Wheatgrass?

Rarely needs repotting, prefers established ground. 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 Bluebunch Wheatgrass?

Bluebunch Wheatgrass can be propagated through seeds.

Is the Bluebunch Wheatgrass Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Bluebunch Wheatgrass, 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 Bluebunch Wheatgrass?

Bluebunch Wheatgrass is susceptible to grasshoppers, armyworms, 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 Bluebunch Wheatgrass Need?

Bluebunch Wheatgrass grows outdoors in USDA Zone 12a – 9b. It survives winters down to planting zone 12a. Bluebunch Wheatgrass is native to western North America. In cooler regions, grow Bluebunch Wheatgrass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a – 9b

Keep exploring plants

Bluebunch Wheatgrass 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 Pseudoroegneria genus — compare its care with other Pseudoroegneria species on PlantoScan.

Pseudoroegneria is part of the Poaceae plant family — browse all Poaceae genera and species.

Bluebunch Wheatgrass thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Pseudoroegneria spicata (Pursh) Á.Löve, family Poaceae (first published in Taxon 29: 168 (1980)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Bluebunch Wheatgrass, 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.
  • Photo: Matt Lavin, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 12a – 9b, 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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