Rigid Brome Plant Care
Bromus rigidus Roth
Updated · Sources · How we source care data
Bromus rigidus, the ripgut brome, is a grass native to Eurasia and naturalized in North America. The specific epithet rigidus means rigid or stiff.
Every 7–14 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Rigid Brome?
Water Rigid Brome every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
Where Is the Rigid Brome Native To?
What Is the Rigid Brome?
Rigid Brome (Bromus rigidus) belongs to the Poaceae family within the Bromus genus. Rigid Brome is native to Eurasia and naturalized in North America. Rigid Brome is also known as Great Brome.
Rigid Brome displays a tall, grassy clumps growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Rigid Brome produces small, inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Rigid Brome?
Bromus rigidus requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Rigid Brome Need?
Rigid Brome thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Rigid Brome Prefer?
Bromus rigidus grows best at temperatures of 60–80°F. Rigid Brome prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Rigid Brome?
Well-draining loamy soil with good fertility. Good drainage is essential for Rigid Brome to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Rigid Brome?
Feed Rigid Brome 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 Rigid Brome?
Divide clumps every 2-3 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 Rigid Brome?
Rigid Brome can be propagated through seeds, division. Similar propagation techniques also apply to nodding brome plant care, which shares the same genus.
Is the Rigid Brome Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Rigid Brome, 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 Rigid Brome?
Rigid Brome 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.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Rigid Brome Need?
Rigid Brome grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Rigid Brome is native to Eurasia and naturalized in North America. In cooler regions, grow Rigid Brome as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Rigid Brome 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 Bromus genus — compare its care with other Bromus species on PlantoScan.
Bromus is part of the Poaceae plant family — browse all Poaceae genera and species.
Rigid Brome thrives in bright light and direct sun — see other bright-light plants.
More Bromus Species
Other Bromus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Bromus rigidus Roth, family Poaceae (first published in Bot. Mag. (Römer & Usteri) 4(10): 21 (1790)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Rigid Brome, 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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