How to Grow Bullseye Alfalfa
Bullseye Alfalfa
Medicago sativa
herbBullseye is a high-yielding alfalfa cultivar bred for superior forage production and disease resistance. Known for its distinctive deep purple flowers and robust root system, it's widely used for livestock feed and pasture improvement. This perennial legume fixes nitrogen in soil, making it valuable for sustainable agriculture.
When should you plant Bullseye Alfalfa in your zone?
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Example Bullseye Alfalfa timeline · Pittsburgh, PA (Zone 6b)
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Plant Bullseye Alfalfa
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 Bullseye Alfalfa
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Bullseye Alfalfa dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4-8, but cold-hardy varieties can grow in zone 3 with winter protection
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Seedling (0-3 weeks)
2-3 weeksEmerging seedlings with cotyledons and first true leaves; small, delicate growth
Keep soil consistently moist; protect from foot traffic and grazing. Ensure adequate light. Thin to proper spacing if overcrowded.
Establishment (3-8 weeks)
4-6 weeksRapid leaf and stem development; root system deepening; plant reaching 6-12 inches tall
Reduce watering frequency as roots establish. Monitor for pests and diseases. Avoid grazing to allow root development.
Vegetative Growth (8-16 weeks)
6-8 weeksMultiple stems with numerous leaflets; dense growth; plant reaching 18-24 inches or more
Begin first harvest at bud to early bloom stage. Maintain adequate moisture. First-year stands develop deep taproots.
Flowering and Maturity (varies by cutting)
1-2 weeks per cutting cyclePurple flower clusters appear; plant at optimal nutritional value for forage at early bloom
Harvest at bud to 10% bloom for highest quality. Remove flowers before seed set to encourage regrowth. Avoid over-grazing.
Dormancy and Perennial Management (seasonal)
Ongoing; multiple yearsWinter dormancy in cold zones; mature stands may persist 5-8 years with proper management
Allow final fall growth for winter survival and spring vigor. Spring field management promotes longevity. Remove dead plant material. Rotate or reseed as needed.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Monitor for larvae in spring; harvest early at bud stage; natural predators include parasitic wasps; insecticide if severe damage observed
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Monitor populations; encourage beneficial insects; insecticidal soap or neem oil for heavy infestations
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Select resistant cultivars; manage with predatory insects; avoid excessive nitrogen fertilizer
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Monitor leaf damage; early harvest reduces pest habitat; Bt (Bacillus thuringiensis) for caterpillar control
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Monitor for stippled leaves; early cutting removes pest habitat; reflective mulches deter adults
Uses
Livestock Forage & Feed
CulinaryBullseye alfalfa is a premium hay and pasture crop for cattle, horses, goats, and sheep. High in protein and digestible fiber, it provides excellent nutritional value for livestock production. [source]
Soil Amendment & Nitrogen Fixation
HouseholdThe symbiotic relationship with Rhizobium bacteria allows alfalfa to fix atmospheric nitrogen, enriching soil for subsequent crops and reducing synthetic fertilizer needs in rotational systems. [source]
Nutritional Supplement
MedicinalAlfalfa sprouts and dried leaf powder are used in herbal medicine and nutrition as a source of vitamins, minerals, and phytonutrients; traditionally used to support overall wellness. [source]
Pollinator & Wildlife Habitat
WildlifePurple alfalfa flowers attract bees, butterflies, and beneficial insects, supporting pollinator populations and ecosystem health while providing forage for wildlife. [source]
Cover Crop & Sustainable Agriculture
CraftBullseye alfalfa serves as an excellent cover crop and green manure, improving soil structure, preventing erosion, and reducing reliance on chemical inputs in organic farming systems. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
First-year Bullseye: Light grazing or single harvest at bud to early bloom (typically late spring). Subsequent years: 2-4 harvests per season depending on zone and moisture. Harvest at bud to 10% bloom for maximum nutritional value and regrowth vigor. Cut 2-3 inches above ground. Allow 4-6 weeks between cuttings to ensure adequate recovery and root strength. Avoid harvesting during drought stress. Best quality for livestock when leaves are intact and bright green.
Fun Facts
- 🌱 Alfalfa has one of the deepest root systems of any cultivated plant, capable of reaching 15-20 feet deep, allowing it to access water and nutrients far below the surface and improving soil aeration.
- 🌱 The name 'alfalfa' comes from the Arabic 'al-fal-fa,' meaning 'father of all foods,' reflecting its historical importance as a supremely nutritious livestock feed in Middle Eastern and Mediterranean cultures.
- 🌱 Bullseye and other alfalfa cultivars are so efficient at nitrogen fixation that they can produce up to 200-300 lbs of nitrogen per acre per year, reducing or eliminating the need for synthetic fertilizers in crop rotations.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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