Cover Crop Seed

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Cover crops and plow downs are excellent options for improving your soil amendments naturally.  They both will add substantial organic matter and they will also make nutrients more readily available at the soil’s surface.  Listed below are cover crops that Elk Mound Seed offers that can improve any farming operation.

Testimonial …

“When I decided to start no-tilling and using cover crops I wanted to work with a seed dealer who was into more than just selling seeds. I wanted somebody who was willing to think outside the box with me and come up with innovative solutions to benefit my soils and ultimately my bottom line. I was attending every no-till/cover crop seminar and conference that I could and I kept running into Dave and the folks at Elk Mound Seed. After striking up a conversation that extended into many phone calls back and forth I knew I had my guy. It has been a pleasure talking soils, crops, and anything else when it comes to farming. I believe conservation and production agriculture do not have to fight each other and it is with that motto that I will continue to work with Elk Mound Seed to continue on this path of regenerating my soil health.”
Ashly S. (Cadott, WI)

Buster (Daikon) Radish – 50# / $85
Tillage Radish Seed

order-online These radishes benefit the soil by alleviating compaction, improving water filtration, increasing organic matter and providing great weed suppression.

  • Cool season broadleaf
  • Best performance occurs when paired with legumes
  • Plant at least 4-10 weeks before killing frost
  • Seed at 6-8 lbs/acre drilled alone or at 3-6 lbs/acre in mixes

Buckwheat – 50# / $44.95

A great crop for green manure. Expect 2-3 tons of dry matter per acre in decent years.

  • Cool season broadleaf
  • Provides excellent weed suppression
  • Quick growing
  • Seed at 50-60 lbs/acre, 1” deep

Hard Red Winter Wheat – 60# / ASK

A very valuable cover crop. Wheat produces valuable grain, straw, as well as feed. Also great for weed suppression.

  • Can be sown with red clovers for nitrogen production
  • Seed at 60-120 lbs/acre
  • Seeding depth 1/2- 1 1/2″

Sorghum-Sudangrass – 50# / ASK


  • Warm season grass
  • Excellent biomass producer
  • Supresses annual weeds such as velvetleaf, crabgrass, foxtail and more
  • Has shown some nematode suppression
  • Provides an abundance of high quality forage
  • Seed at 35-40 lbs/acre
  • Buckwheat and cow peas are great companion crops

Oats – bu. / $7.95


  • Cool season grass
  • An affordable biomass producer
  • Good nutrient uptake – Accumulates N, P, and K
  • Competes with weeds very well
  • An excellent companion crop with fall seeded legumes
  • Seeding rate 2-3 bu./acre
  • Seeding depth 1-2″

Cow Peas – 50# / ASK



  • A warm season legume, builds N
  • Good weed-smothering capabilities
  • Attracts beneficial insects (ie honeybees)
  • A good protein source if used for feed
  • Seed at 30-90 lbs/acre

Austrian Winter Peas – 50# / $39.95



  • Great nitrogen builder
  • Very efficient water usage
  • Good biomass production and rapid breakdown of residue
  • Can be planted with annual ryegrass, oats, or wheat
  • Seed at 60-100 lbs/acre

Annual Ryegrass (Forage Type) – 50# / $79


  • Cool season grass
  • Fibrous root system that prevents erosion
  • Excellent nutrient accumulator, especially N
  • When mixed with a legume, does an excellent job suppressing weeds
  • Makes an excellent, high quality forage, protein as high as 17%
  • Seeding rate 10-20 lbs/acre
  • Seeding depth 1/4-1/2″

Hazlet Winter Rye – 50#

1-39 Units – $14.50/unit
40-799 Units – $12.45/unit
800+ Units – $11.45/unit

VNS Winter Rye – 50#

1-39 Units – $12.50/unit
40-799 Units – $10.45/unit
800+ Units – $9.45/unit

Winter rye is one of the most versatile cover crops. It suppresses weeds extremely well and ties up nitrogen close to the soil’s surface. Extremely productive.

  • Cool season grass
  • Will germinate in soils as cold as 35°F
  • Can handle low fertility and acidic soils
  • Long planting window
  • Seed at 60-120 lbs/acre
  • Seeding depth ½-2″ deep

Scavenger Plus Plowdown Mix – 50# / $99

75% Buster Radish, 25% Mammoth Red Clover. An excellent mix for scavenging and building nutrients. The radishes will scavenge nutrients below the soil’s surface while the clover will build nitrogen and significant biomass.



  • Mammoth Red Clover is inoculated
  • Other legumes can be added to this mix
  • Seed at 8-10 lbs/acre

Nitrogen Plus Plow Down – 50# / $119

A mix formulated with two things in mind; Nitrogen fixing capabilities and biomass production. Expect excellent biomass production and more than 2000 lbs of dry matter/acre and as much as 200#/acre of Nitrogen. Seed at 12-15 lbs/acre.



  • 33% Crimson Clover
  • 33% Berseem Clover
  • 33% Mammoth Clover

Tilth Builder Plus – 50# / $99



  • Provides excellent weed suppression
  • Great combination of Nitrogen building and accumulating capabilities
  • 50% Annual Ryegrass
  • 25% Buster Radish
  • 25% Crimson Clover
  • Seed at 12-15 lbs/acre 1/4-1/2″ depth

Winter Triticale – 50# / $15.95

A cross between winter wheat and winter rye. This cross possess the desirable characteristics of both crops.

  • Cool season grass
  • Excellent yields and forage quality
  • Great winter hardiness
  • Seed at 100-120 lbs/acre
  • Seeding depth 1 1/2-2″

Hairy Vetch – 50# / $99

An excellent legume when trying to build nitrogen as well as biomass. Great for weed suppression and as a soil conditioner.


  • Cool season legume
  • Earn up to 100 lbs/acre of nitrogen
  • Seed at 15-20 lbs/acre

Fixation Balansa Clover – 50# / $129

A cool-season, annual legume Balansa Clover is the most versatile of any annual clover.



  • Tolerates wide range of soil types
  • Quick to germinate
  • Massive taproot
  • Can grow up to 3 ft tall with stems as long as 10 ft
  • Capable of creating 100+ lbs of nitrogen an acre
  • Excellent forage for grazing or cutting
  • 50% Seed Coating
  • Seeding Rate: Drilled 5-6 lbs/acre Broadcasted 8-10 lbs/acre (in mixes 3-5 lbs/acre)

Berseem Clover – 55# / $119

Recognized by many as the “King of Cover Crops.” Can produce as much as 3 ton/acre of biomass and as much as 200# of nitrogen/acre.



  • Cool season legume
  • Unmatched biomass to nitrogen fixing yields
  • A non-bloating clover
  • Seed at 8-12 lbs/acre alone or 4-6 lbs/acre in mixes

Crimson Clover – 50# / $69

This annual summer clover provides rapid robust growth along with approximately 50-60 lbs/acre of nitrogen per acre by mid-November.



  • Count on up to 1,500 lbs dry matter with crimson clover as a plow down.
  • Seed at 15-18 lbs/acre

Mammoth Red-Clover – 50# / $119

Best suited for plowdown situations or emergency silage. Can produce as much N as medium red clover.



  • Single cut clover is susceptible to winterkill
  • Produces significant biomass
  • Inoculated with Nitragen Gold
  • Seed at 10-12 lbs/acre (4-6 in mixes)

Sun Hemp – 50# / ASK

A tropical legume,sunn hemp can produce more than 5,000 lb. dry matter/A and 120 lb. N/A.



  • Sunn hemp is not winter hardy and a hard freeze easily kills it
  • Sow sunn hemp a minimum of nine weeks before the average date of the first fall freeze.
  • It can fill a narrow niche between harvest of a summer crop and planting of a fall cash or cover crop
  • Seed at 40 to 50 lbs/acre, with a cowpea type inoculant

Turnips- 50# / $89



  • A cool season, annual that is classified as a brassica
  • Rapid growth, good for short growing windows
  • Has excellent grazing value late in the season
  • Seed at 4-6 lbs/acre alone, 2-3 lbs/acre in mixes

Canola (A.K.A. Rape Seed) – 50# / $89



  • A cool season, annual that is classified as a broadleaf
  • Has narrow leaves, strong taproot and yellow flowers
  • Good heat and drought tolerance
  • Does not tolerate flooding well
  • Seed at 4-5 lbs/acre alone, 2-3 lbs/acre in mixes

Fava (A.K.A. Faba) Beans – 50# / $28.95



  • A cool season, annual legume
  • Can continue to grow late into fall/winter
  • Works well in a mix, not recommended to plant alone
  • Can attract many beneficial insects
  • Seed 30-70 lbs/acre in mixes

Yellow Blossom Sweet Clover – 50# / $124



  • Biennial legume
  • Produces abundant biomass
  • The most drought tolerant of forage legumes
  • Best at extracting potassium, phosphorus and other soil nutrients
  • Deep root growth in 2nd year of crop
  • Works well with oats as a companion crop
  • Seed at 8-15 lbs/acre

Phacelia – 55# / $275



  • Annual broadleaf
  • Grows 12-36 inches tall
  • Prefers full sun and can tolerate various soil types
  • Works well for pollinators
  • Seed 5-7 lbs/acre (2-3 lbs/acre in mixes)


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