How to Grow Two-Row Barley
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Two-Row Barley
Hordeum vulgare subsp. vulgare
grainTwo-row barley is a cereal grain crop where the seed head (spike) produces grains in two alternating rows on opposite sides of the rachis. It is widely cultivated for malting, brewing, animal feed, and food production. Two-row varieties are particularly valued in the brewing industry for their consistent quality and enzyme content.
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Example Two-Row Barley timeline · Pittsburgh, PA (Zone 6b)
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Plant Two-Row Barley
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Two-Row Barley
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Two-Row Barley dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8; winter varieties in zones 4-7; spring varieties across zones 3-9
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Get my Two-Row Barley timeline →Growth Stages
Germination & Emergence
7-14 daysSeeds absorb moisture and germinate underground; first leaves emerge within 7-10 days.
Ensure adequate soil moisture (but not waterlogged). Soil temperature should be 40-50°F minimum for germination.
Tillering
3-4 weeksYoung plants develop secondary shoots (tillers) from the base, creating multiple stem clusters. Leaf production accelerates.
Critical growth period; maintain consistent moisture. Apply nitrogen fertilizer in split applications. Monitor for early pest/disease issues.
Boot & Heading
2-3 weeksFlag leaf emerges; the developing spike pushes up inside the sheath (boot stage). Spike emerges and extrudes from the leaf sheath (heading).
Final nitrogen application should occur before boot stage. Monitor for disease (powdery mildew, net blotch). Ensure adequate water.
Flowering & Grain Fill
3-4 weeksAnthers exert and pollen is released (flowering is brief). Grains rapidly increase in size and starch content; kernels progress from milky to hard.
Critical water period; adequate moisture essential for grain development. Protect from extreme weather. No additional nitrogen needed.
Maturity & Harvest
5-7 days ready-stateGrains harden completely; moisture content drops to 12-15%. Stems yellow-brown; plant is ready for harvest. Seeds are plump and break easily between teeth.
Monitor kernel moisture content (use moisture meter for precision). Harvest when moisture reaches 12-15% to prevent shattering. Allow field time to dry if possible.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Plant resistant varieties; adjust planting date to avoid peak fly emergence; destroy crop residue
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Monitor for larval damage; use BT (Bacillus thuringiensis) if economic threshold exceeded; parasitoid wasps provide biological control
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Use resistant varieties; control aphid vectors with insecticidal soap or neem; avoid planting near infected fields
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Plant resistant varieties; remove infected crop debris; apply fungicides (if malt quality permits) at early flag-leaf stage
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Use resistant varieties; ensure good air circulation; sulfur or biological fungicides if disease pressure is high
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Use treated or resistant seed; clean combine equipment between farms to prevent spore spread
Uses
Malting & Brewing
CulinaryTwo-row barley is the preferred grain for brewing beer and distilling spirits due to its high enzyme content and consistent extract quality. Grain is malted (soaked, sprouted, kilned) to develop fermentable sugars and flavor compounds. [source]
Whole Grain & Flour
CulinaryHulled or pearled barley is used in soups, stews, pilafs, and breakfast porridges. Barley flour is blended into breads and baked goods for nutrition and mild, slightly sweet flavor. [source]
Animal Feed
CulinaryTwo-row barley is a primary livestock feed grain for cattle, poultry, and swine due to its energy content and digestibility. Both whole grain and processed (rolled, pelleted) forms are used. [source]
Barley Water & Tonics
MedicinalBarley water (decoction of whole grain) has been traditionally used to support digestion and provide hydration and mild nutrients. Barley grass is consumed as a nutrient-dense powder or juice. [source]
Thatching & Bedding
HouseholdBarley straw is used for livestock bedding, roof thatching, and mulch in agricultural systems. It decomposes relatively quickly, returning organic matter to soil. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest when kernel moisture reaches 12-15% (test with grain moisture meter). Swath or direct combine; combines work well for barley. Kernel should break cleanly between teeth (dent test) but not be rock-hard. For malting barley, gentle handling minimizes kernel damage. Harvest promptly once mature to reduce weather damage and shattering loss. Clean and dry grain to 10-12% moisture for storage.
Fun Facts
- 🌱 Two-row barley is one of the oldest domesticated crops, with evidence of cultivation dating back over 10,000 years in the Fertile Crescent.
- 🌱 Barley is the fourth-most important cereal crop globally (after rice, wheat, and maize) and is used in more than 100 countries' beer and whisky production.
- 🌱 Two-row barley grains have a distinctive two-rowed arrangement on the spike head, making them visually distinct from six-row barley, which produces grains in multiple staggered rows.
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