Hordeum vulgare

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Barley
Hordeum vulgare
Barley
Taxonomy
Family Poaceae · Genus Hordeum
Common Names
BarleyCommon barley
Context
nativeRegion
Southwest Asia, widely cultivated globally.
usdaZones
Grown as an annual crop in all USDA zones.
companionPlants
Peas, Vetch, Clover, Oats
culturalUses
Major cereal crop; source of grain for food, animal feed, brewing (beer, whisky), and health foods.

Care

Care Requirements

LightFull sun is ideal for optimal growth and grain production.
WateringRequires moderate watering; prefers consistent soil moisture but is somewhat drought-tolerant once established.
SoilPrefers well-drained, fertile loam with a neutral to slightly alkaline pH (6.0–7.5).
FertilizerResponds well to balanced fertilizers, particularly those high in nitrogen for vegetative growth.
HumidityTolerates a range of humidity levels; prefers dry to moderately humid conditions.
TemperatureGrows best in cool climates; optimal temperature range is 12–18°C (54–64°F).

Growth & Life Cycle

HabitAnnual grass, typically upright and forming loose tufts.
Mature SizeHeight 0.6–1.2 meters (2–4 ft).
Growth RateFast-growing; matures in approximately 90–120 days after sowing.
BloomingProduces inflorescences called spikes, usually in late spring to summer.
DormancyAnnual; dies back completely after seed maturation.

Propagation

MethodsSeed
DifficultyVery easy; direct sowing is standard practice.
Best SeasonEarly spring in temperate zones or late autumn in mild climates.

Maintenance & Notes

PruningNot required; plants are harvested when mature.
RepottingNot applicable for typical cultivation.
Pests & DiseasesSusceptible to fungal diseases (e.g., powdery mildew, rusts) and some insect pests (e.g., aphids).
ToxicityNot toxic to humans or pets; grains are edible.

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