Cool Crops

Red Clover

Cool-Season Legume for Nitrogen Fixation, Grazing & Soil Health

Red Clover (Trifolium pratense) is a cool-season legume valued for nitrogen fixation, grazing, hay, cover crops, pollinator habitat, and soil improvement. It establishes relatively easily, produces high-quality forage, and develops an extensive root system that can help improve soil structure. USDA-NRCS rates Red Clover excellent for nitrogen fixation, very good for grazing and mechanical forage harvest, and good for weed suppression, erosion control, and compaction management.

  • Excellent biological nitrogen fixer
  • High-quality grazing forage
  • Very good hay potential
  • Adds nitrogen-rich biomass
  • Helps suppress weeds
  • Supports pollinators
  • Extensive root system
  • Works well with small grains
  • Useful in cover crop blends
  • Can be frost-seeded
  • Adds broadleaf diversity to rotations

Forage, Nitrogen & Soil Improvement in One Crop

Red Clover can provide multiple benefits within a single planting. It produces quality forage for livestock while contributing biologically fixed nitrogen and building soil through both above-ground residue and an extensive root system.

NRCS describes Red Clover as easy to establish and notes that many producers use it in mixtures for livestock grazing. Its root system can permeate the soil, with the taproot capable of extending several feet under favorable conditions.

Red Clover is an excellent option for:

  • Cool-season cover crops
  • Livestock grazing
  • Hay production
  • Nitrogen-fixing rotations
  • Green manure
  • Pollinator habitat
  • Soil-building programs
  • Overseeding into existing stands
  • Multi-species blends

Put a Clover to Work for Your Soil

One of Red Clover’s biggest advantages is its ability to fix atmospheric nitrogen.

When properly inoculated and nodulated, Red Clover works with rhizobia bacteria to convert atmospheric nitrogen into plant-available forms. USDA-NRCS gives Red Clover an excellent rating for nitrogen fixation.

Texas A&M emphasizes that clovers require the correct rhizobium relationship for effective nitrogen fixation and recommends confirming that seed has been properly inoculated when nitrogen contribution is a primary goal.

Benefits

  • Fixes atmospheric nitrogen
  • Produces nitrogen-rich biomass
  • Helps improve nutrient cycling
  • Adds organic matter
  • Complements cereal crops
  • Can reduce reliance on purchased nitrogen in some systems
  • Adds a legume component to crop rotations

High-Quality Forage for Livestock

Red Clover is widely valued as livestock forage.

USDA-NRCS rates its grazing quality as very good and also rates it very good for mechanical forage harvest. This makes Red Clover useful for pasture, grazing mixtures, hay, and other forage systems.

Grazing Benefits

  • Highly palatable forage
  • Good protein contribution
  • Works well with grasses
  • Adds forage diversity
  • Provides quality cool-season growth
  • Useful for cattle and other grazing livestock

Red Clover is often more useful in a grass-legume mixture than as a pure stand because grasses provide additional fiber, stand structure, and more persistent residue.

Why Choose Red Clover Seed?

Excellent Nitrogen Fixer

USDA-NRCS gives Red Clover its highest rating for nitrogen fixation.

Very Good Grazing Quality

Red Clover produces palatable, nutrient-dense forage suitable for grazing systems.

Very Good Hay Potential

NRCS also rates Red Clover very good for mechanical forage harvest, making it useful for hay and forage production.

Extensive Root System

Its root system can spread extensively through the soil, and the taproot can penetrate several feet under favorable conditions.

Weed Suppression

Red Clover earns a good rating from NRCS for weed suppression, particularly when it establishes a dense canopy.

Pollinator Value

If allowed to flower, Red Clover provides excellent pollinator habitat.

Add Nitrogen & Root Diversity to the Rotation

Red Clover can fill the cool-season legume role in a cover crop system.

Its primary contribution is biological nitrogen fixation, but it also offers:

  • Soil coverage
  • Weed competition
  • Root diversity
  • Erosion protection
  • Grazing value
  • Biomass production
  • Pollinator habitat

USDA-NRCS rates Red Clover good for nitrogen scavenging, weed suppression, compaction management, erosion control, and quick growth, while rating its nitrogen fixation excellent.

That combination makes Red Clover particularly useful when paired with cereal grains or other cover crop species.

Red Clover Planting Recommendations

Red Clover has small seed and should generally be planted shallow with good seed-to-soil contact.

General Planting Information

  • Crop Type: Cool-season legume
  • Scientific Name: Trifolium pratense
  • Primary Uses: Cover crop, grazing, hay, nitrogen fixation
  • Planting Depth: Approximately ¼–½ inch
  • Seeds per Pound: Approximately 270,000
  • Planting Methods: Drill, broadcast, aerial, interseed, or frost seed
  • Inoculation: Recommended when nitrogen fixation is a major goal

USDA-NRCS lists a drilling depth of approximately ¼–½ inch and notes that Red Clover may also be frost-seeded.

Seeding Rate

The 2025 NRCS fact sheet lists:

  • Drilled: 8 lb./acre PLS
  • Broadcast: 10 lb./acre PLS
  • Aerial: 12 lb./acre PLS

NRCS also notes that rates should be increased for forage or grazing use and that mixtures can improve cover crop performance.

These rates come from Midwest guidance and should not automatically be applied to every West Texas field.

Contact Jack Seed & Supply for a Red Clover seeding recommendation based on your acreage, moisture, planting method, and intended use.

What Does Red Clover Bring to the Field?

Crop Type: Cool-season legume

Scientific Name: Trifolium pratense

Growth Habit: Herbaceous clover

Primary Uses: Cover crop, grazing, hay, nitrogen fixation, pollinator habitat

Planting Depth: ¼–½ inch

Drilled Seeding Rate: 8 lb./acre PLS in NRCS Midwest guidance

Broadcast Seeding Rate: 10 lb./acre PLS

Seeds per Pound: Approximately 270,000

Nitrogen Fixation: Excellent

Grazing Quality: Very Good

Mechanical Forage Harvest: Very Good

Nitrogen Scavenging: Good

Weed Suppression: Good

Compaction Management: Good

Erosion Control: Good

Quick Growth: Good

Drought Tolerance: Fair

Shade Tolerance: Good

Pollinator Value: Excellent when allowed to flower

Typical Biomass: NRCS reports approximately 2,000–5,000 lb./acre/year under the conditions represented by its Iowa guidance.

What is Red Clover?

Red Clover is a cool-season legume used for grazing, hay, nitrogen fixation, cover crops, and pollinator habitat.

Does Red Clover fix nitrogen?

Yes. USDA-NRCS rates Red Clover as an excellent nitrogen fixer when properly nodulated.

Is Red Clover good for grazing?

Yes. NRCS rates its grazing quality very good.

Is Red Clover good for hay?

Yes. NRCS also rates Red Clover very good for mechanical forage harvest.

How much Red Clover should I plant per acre?

NRCS Midwest guidance lists approximately 8 lb./acre drilled, 10 lb./acre broadcast, and 12 lb./acre aerial, with higher rates recommended for forage or grazing. Local recommendations should take priority for West Texas.

How deep should Red Clover be planted?

Approximately ¼–½ inch deep is the NRCS recommendation for drilled seed.

Can Red Clover be frost-seeded?

Yes. USDA-NRCS specifically notes Red Clover may be frost-seeded.

Can Red Clover be planted with wheat?

Yes. Red Clover works well in mixtures with cereal grains, which add fibrous roots, stand structure, and additional forage.

Is Red Clover good for West Texas?

It can be used where moisture and soil conditions are suitable, but it is not one of the most naturally adapted dryland clovers for the High Plains. Texas A&M shows most clover production concentrated farther east and notes that perennial clovers often struggle under hot, dry Texas summers.

Can Red Clover cause bloat?

Yes. Like other lush legumes, Red Clover can contribute to bloat risk in grazing livestock.

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