Two-row Barley Plant Care

Hordeum distichon L.

Updated · Sources · How we source care data

Hordeum distichon, the common barley or two-rowed barley, is a cultigen of barley, family Poaceae. It is native to Iraq, and is widely grown throughout temperate regions of the world.

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Water

Every 3–5 days

Light

Full sun

Temp

60–75°F

Humidity

40–60%

At a glance

How do you care for Two-row Barley?

Water Two-row Barley 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 Two-row Barley Native To?

Native range1 country

What Is the Two-row Barley?

Two-row Barley (Hordeum distichon) belongs to the Poaceae family within the Hordeum genus. Two-row Barley is native to Iraq.

Two-row Barley displays a tall, grassy growth habit, reaching up to 3 ft tall with a spread of approximately 0.5 ft. Two-row Barley produces small inconspicuous flowers in spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Two-row Barley?

Hordeum distichon 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 Two-row Barley Need?

Two-row Barley thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Two-row Barley Prefer?

Hordeum distichon grows best at temperatures of 60–75°F. Two-row Barley prefers humidity levels of 40–60%.

Temperature

60–75°F

Humidity

40–60%

What Soil Mix Works Best for a Two-row Barley?

Well-draining loamy soil with good fertility. Good drainage is essential for Two-row Barley to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Two-row Barley?

Feed Two-row Barley 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 Two-row Barley?

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 Two-row Barley?

Two-row Barley can be propagated through seeds. Similar propagation techniques also apply to meadow barley plant care, which shares the same genus.

Is the Two-row Barley Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Two-row Barley, 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 Two-row Barley?

Two-row Barley 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 Two-row Barley Need?

Two-row Barley grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Two-row Barley is native to Iraq. In cooler regions, grow Two-row Barley as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Two-row Barley 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.

Two-row Barley 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 distichon L., family Poaceae (first published in Sp. Pl. 1: 85. 1753 [1 May 1753]) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Two-row Barley, 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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