How to Grow Hull-less Barley

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Hull-less Barley

Hordeum vulgare var. nudum

grass

Hull-less barley is a grain crop where the hull (outer husk) separates easily from the kernel during threshing, unlike traditional hulled barley. This variety is prized for its higher nutritional content, ease of processing, and versatility in brewing, baking, and animal feed. It grows as an annual cool-season cereal grass reaching 2-3 feet tall.

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Example Hull-less Barley timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Hull-less Barley

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Hull-less Barley

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Hull-less Barley dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6+ hours daily; prefers bright conditions
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Water: Moderate water needs; 12-15 inches of rainfall per season ideal. Water during heading and grain-fill stages if dry conditions occur. Drought-tolerant once established but yields benefit from consistent moisture.
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Spacing: Seed at 1-1.5 million seeds per acre (broadcast or drill); individual plant spacing approximately 0.5-1 inch apart in rows 6-8 inches apart inches
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Days to maturity: 90-130 days depending on variety and climate
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Planting depth: 0.75-1.5 inches deep

Soil

Type: Well-draining loamy or clay loam soil
pH: 6.0-7.5
Amendments:
Compost or well-rotted manure for organic matter Phosphate fertilizer (if soil test indicates deficiency) Potassium sulfate for K supplementation

Growing Zones

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Thrives in zones 3-7; can be grown as a cool-season crop in zones 2-8

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a

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Growth Stages

1

Germination & Emergence

7-14 days

Seeds absorb moisture and begin sprouting; first leaf emerges 7-10 days after planting

Ensure adequate soil moisture without waterlogging. Maintain soil temperatures between 40-50°F for optimal germination. Prepare seedbed to fine tilth.

2

Tillering & Vegetative Growth

4-6 weeks

Multiple shoots emerge from the base of the plant; root system expands; plant develops 4-6 tillers per stem

Monitor for pest and disease pressure. Apply nitrogen fertilizer if soil nutrient levels are low. Control weeds aggressively during this stage.

3

Stem Elongation & Jointing

3-4 weeks

Plant height increases rapidly; stem becomes more rigid; visible nodes form along the stem; plant reaches 12-18 inches

Ensure adequate water availability. Watch for lodging risk in weak soils or with excessive nitrogen. Scout for stripe mosaic virus and other diseases.

4

Heading & Flowering

10-14 days

Spike (head) emerges from the flag leaf; awns develop; anthers appear; flowering is inconspicuous but marks grain development

Critical stage for water availability—ensure 1-2 inches of water per week if rainfall insufficient. This is a key period for yield determination.

5

Grain Fill & Maturation

3-4 weeks

Kernels fill with starch and protein; grain progresses from milky to dough to hard stage; plant turns golden-brown

Continue watering if dry conditions occur. Monitor for late-season diseases. Begin harvest preparations when grain moisture reaches 12-15%.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Other small grains (wheat, rye) in successive years without rotation Broadleaf crops requiring different herbicide regimes in adjacent fields

Common Pests

  • Delayed planting to avoid peak fly emergence; choose resistant varieties; crop rotation

  • Monitor for larvae; use Bacillus thuringiensis (Bt) if economic threshold exceeded; maintain beneficial predator populations

  • Timely harvest; proper storage to prevent infestations; crop rotation; resistant varieties

  • Control aphid vectors with insecticidal soap or oils; use resistant varieties; early planting to avoid peak aphid pressure

Uses

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Brewing & Malting

Culinary

Hull-less barley is excellent for craft malting and brewing due to its clean separation and high extract efficiency. It produces high-quality malt with excellent enzymatic activity for both beer and whisky production. [source]

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Whole Grain Foods & Flour

Culinary

Hulled at home or commercially, hull-less barley grains can be cooked as a whole grain, ground into flour for baking, or used in soups, stews, and grain bowls. The lack of a hull increases nutritional availability. [source]

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Nutritional & Health Benefits

Medicinal

Hull-less barley is rich in beta-glucan soluble fiber, which supports cholesterol management and digestive health. It also contains vitamins B, minerals, and polyphenols with antioxidant properties. [source]

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Animal Feed

Household

Hull-less barley is a superior animal feed for poultry, cattle, and swine due to its digestibility and nutritional profile. The ease of removing the hull makes it cost-effective for on-farm processing. [source]

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Home Growing & Storage

Household

Hull-less barley is ideal for home gardeners and small-scale farmers because it requires minimal processing—no need for specialized hulling equipment. Whole grain stores well for years if kept dry and cool. [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 grain is hard (thumbnail cannot easily dent it) and moisture content drops to 12-15%. Combine harvesting works well for hull-less varieties. If direct combining, ensure header height is set 1-2 inches above ground to prevent excessive header loss. Thresh immediately or store with aeration to prevent spoilage. Hull-less barley threshes cleanly and separates readily from the grain.

Fun Facts

  • 🌱 Hull-less barley (Hordeum vulgare nudum) is one of the oldest cultivated grains, with evidence of domestication dating back over 10,000 years to the Fertile Crescent.
  • 🌱 Unlike hulled barley, the hull naturally separates during threshing, making it suitable for hand-harvesting and home processing without expensive mill equipment—a major advantage for homesteaders and small producers.
  • 🌱 Hull-less barley contains significantly more soluble fiber (beta-glucan) than hulled varieties because the nutritious bran layer is fully retained and more accessible when the hull doesn't need to be mechanically removed.

Gardening Terms

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