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Old Cobblers Farm™ Wicked Tuff Turf Alfalfa
Legume

Medicago sativa

Highest-yielding forage legume—fixes 150-300 lbs N/acre, 5-10 year stand life, taproot to 15+ feet. Premium dairy hay. Medicago sativa. Zones 3-9.

The queen of forage crops. Alfalfa fixes more nitrogen (150-300 lbs per acre annually), produces more protein per acre, and persists longer (5-10+ years) than any other forage legume. Its taproot—reaching 6-15 feet and sometimes exceeding 25 feet—accesses deep moisture and minerals unavailable to any other crop. Alfalfa demands specific conditions (well-drained soil, pH 6.5+, full sun) and precise harvest management (cut at 10% bloom, never below 2 inches), but rewards proper management with decades of high-quality production.

Alfalfa

Old Cobblers Farm™ Wicked Tuff Turf Alfalfa

5

Minimum Germination

Max: 10 Days

Root Depth : 6-15+ feet (the deepest root system of any common forage crop—can reach 25+ feet in ideal soils)

Mix ? : false

Maintenance Level : Moderate (requires precise cutting management for longevity)

15-20 lbs per acre (pure stand); 8-12 lbs per acre (mixed with grass)

Seed Rate

Growing Specifications

Know Your Seed

Detailed specifications to help you grow successfully

Soil Type

Well-drained, deep loam to sandy loam. Absolutely requires good drainage—alfalfa roots rot in waterlogged conditions. Deep soil is essential for taproot development.

Preferred soil composition

Nitrogen Needs

None required—fixes 150-300 lbs N per acre annually (the highest N fixation of any common forage legume)

Annual nitrogen requirements

Root Depth

6-15+ feet (the deepest root system of any common forage crop—can reach 25+ feet in ideal soils)

Maximum root penetration

Growth Habit

Not specified

Plant growth pattern

Soil pH

6.5-7.5 (requires near-neutral to slightly alkaline—the most pH-sensitive common legume)

Optimal pH range

Germination Temp

50-55°F

Ideal germination temperature

Establishment

Not specified

Time to full establishment

Maintenance

Moderate (requires precise cutting management for longevity)

Required maintenance level

Complete Overview

The Complete Guide to Alfalfa

Spring planting (April-May) most common in northern zones. Late summer planting (August) effective—allows fall establishment before winter dormancy. Spring-planted alfalfa should not be harvested more than once in the establishment year. Select dormancy rating appropriate for your zone: FD 2-3 for most of New England.

Germination Timeline

5–10 days to germination

Days 5-7: First seedlings emerge. Days 7-10: Trifoliate leaves appear. Relatively fast germination for a perennial legume. Seedlings are upright with oval leaflets—distinctly different from clover's round leaflets.

Establishment Timeline

First emergence: 5-7 days. First harvest: 60-90 days. Full production: year two. Stand life: 5-10+ years with proper management.

Application Guide

Is It Right for You?

Best For

Lawns and turf areas seeking natural nitrogen fixation

Pasture renovation and livestock grazing

Wildlife food plots and habitat restoration

Erosion control on slopes and disturbed soil

Cover cropping and green manure programs

Not Ideal For

Heavy foot traffic areas like sports fields

Extremely acidic soils below pH 5.5

Deep shade locations with less than 4 hours sunlight

Waterlogged or poorly drained clay soils

Planting Guide

How to Plant

Application Rates

Seeding & Mowing

New Seeding Rate

Per acre

8-10 lbs per acre for pure stands, or 2-4 lbs per acre when mixed with grasses

Overseeding Rate

Per acre

4-6 lbs per acre into existing pasture or lawn

Recommended height
4-6"

Optimal height for healthy growth

Minimum height
3"

Never mow below this height

First mow height
6-8"

Initial establishment mowing

Got Questions?

Frequently Asked

    [{"question":"What is alfalfa and why is it called the queen of forages?","answer":"Alfalfa (Medicago sativa), also known as lucerne, is a deep-rooted perennial legume considered the highest-quality forage crop in North America. It earns the title 'queen of forages' for its unmatched combination of high protein (16-22% crude protein), high yield (4-8 tons per acre annually), nitrogen fixation (150-300 lbs N per acre), and persistence (5-10+ year stands). Alfalfa's taproot penetrates 10-20+ feet, making it exceptionally drought-tolerant once established."},{"question":"What soil conditions does alfalfa require?","answer":"Alfalfa demands well-drained soil with pH 6.5-7.5—it will not tolerate acidic conditions below pH 6.0 or waterlogged soils. Lime applications are often necessary before planting. Alfalfa requires high phosphorus and potassium levels and performs best on deep, fertile loam soils. It does not tolerate high water tables, heavy clay without drainage, or compacted soils. Soil testing and correction 6-12 months before planting is strongly recommended."},{"question":"How long does alfalfa take to establish?","answer":"Alfalfa germinates in 7-10 days at soil temperatures above 65°F. Seedlings develop slowly for the first 60 days as the taproot establishes. First harvest is typically 60-90 days after planting. A full, productive stand is established by the second growing season. Do not graze or harvest new alfalfa stands until plants reach early bloom stage (approximately 10% of plants showing flowers) to ensure root carbohydrate reserves are adequate for regrowth."},{"question":"How many cuttings of alfalfa can you get per year?","answer":"In USDA zones 4-6, expect 3-4 cuttings per year. In zones 7-8, 4-6 cuttings are possible. Harvest when alfalfa reaches early to mid-bloom (10-50% of plants flowering) for the best balance of yield and quality. Cutting intervals of 28-35 days maintain stand health. Always allow the last fall cutting 4-6 weeks before first expected frost so plants can rebuild root reserves for winter survival."},{"question":"What is the seeding rate for alfalfa?","answer":"Seed alfalfa at 15-20 lbs per acre for pure stands, or 8-12 lbs per acre when mixed with grasses. For small plots, use approximately 0.5 lbs per 1,000 sq ft. Plant at 0.25-0.5 inch depth in a firm, well-prepared seedbed. Inoculate seed with Sinorhizobium meliloti (alfalfa-specific) inoculant before planting—this is critical for nitrogen fixation and cannot be substituted with clover inoculants."},{"question":"How deep do alfalfa roots grow?","answer":"Alfalfa develops one of the deepest root systems of any cultivated crop. Taproots commonly reach 10-15 feet in well-drained soils and have been documented exceeding 20-25 feet. This extraordinary root depth provides exceptional drought tolerance, access to deep soil moisture and nutrients, and significant soil structure improvement. When old alfalfa stands are terminated, the decomposing root channels improve water infiltration and aeration for subsequent crops."},{"question":"Can alfalfa be planted with grass for pasture?","answer":"Yes. Alfalfa-grass mixtures are among the most productive pasture systems available. Common companion grasses include orchardgrass, timothy, smooth bromegrass, and tall fescue. In mixed stands, alfalfa provides protein and nitrogen fixation while grasses provide energy (carbohydrates), ground cover, and reduced bloat risk. Plant alfalfa at 8-12 lbs per acre with grass at 4-8 lbs per acre. The grass component reduces (but does not eliminate) bloat risk compared to pure alfalfa."}]

Ready to Grow Alfalfa?

Medicago sativa

Old Cobblers Farm™ Wicked Tuff Turf Alfalfa