Hordeum pubiflorum Plant Care
Hordeum pubiflorum Hook.f. in Hook.
Updated · Sources · How we source care data
Hordeum pubiflorum, also known as Antarctic barley, is a perennial that is native to western and southern South America.
Every 3–5 days
Full sun
60–75°F
40–60%
At a glance
How do you care for Hordeum pubiflorum?
Water Hordeum pubiflorum every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Hordeum pubiflorum Native To?
What Is the Hordeum pubiflorum?
Hordeum pubiflorum (Hordeum pubiflorum) belongs to the Poaceae family within the Hordeum genus. Hordeum pubiflorum is native to western and southern South America.
Hordeum pubiflorum displays a tall, grassy growth habit, reaching up to 3 ft tall with a spread of approximately 0.5 ft. Hordeum pubiflorum produces small inconspicuous flowers in spikelets.
Leaf size: approximately 12 inches.
How Often Should You Water a Hordeum pubiflorum?
Hordeum pubiflorum 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 Hordeum pubiflorum Need?
Hordeum pubiflorum thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Hordeum pubiflorum Prefer?
Hordeum pubiflorum grows best at temperatures of 60–75°F. Hordeum pubiflorum prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Hordeum pubiflorum?
Well-draining loamy soil with good fertility. Good drainage is essential for Hordeum pubiflorum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hordeum pubiflorum?
Feed Hordeum pubiflorum 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 Hordeum pubiflorum?
Rarely needs repotting, best to grow in the 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 Hordeum pubiflorum?
Hordeum pubiflorum can be propagated through seeds. Similar propagation techniques also apply to meadow barley plant care, which shares the same genus.
Is the Hordeum pubiflorum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hordeum pubiflorum, 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 Hordeum pubiflorum?
Hordeum pubiflorum 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 Hordeum pubiflorum Need?
Hordeum pubiflorum grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Hordeum pubiflorum is native to western and southern South America. In cooler regions, grow Hordeum pubiflorum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Hordeum pubiflorum 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 Hordeum genus — compare its care with other Hordeum species on PlantoScan.
Hordeum is part of the Poaceae plant family — browse all Poaceae genera and species.
Hordeum pubiflorum thrives in bright light and direct sun — see other bright-light plants.
More Hordeum Species
Other Hordeum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Hordeum pubiflorum Hook.f. in Hook., family Poaceae (first published in Fl. Antarct. : 388 (1847)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hordeum pubiflorum, 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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