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Hancock's Sunn Hemp Seed - Raw
Back

Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per acre of green tonnage. with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. It is also known to suppress nematodes.

Product Information

  • Application or Use: Pasture, Cover Crop, Green Manure, Food Plot, Erosion Control, Cattle Grazing, Hay Production
  • Germination Time: 7 - 14 days, under optimal conditions
  • Growing Locations: Warm Season, Transition Zone, Cool Season 
  • Height: 3 - 9 feet
  • Sunlight Requirements: 8+ hours, full sun for best results
  • Advantages: Provides as much as 2.5 tons per acre of green tonnage, with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days.
  • When to Plant: Recommended planting time is spring and summer when night time temperatures are consistently 65+ degrees and 3 months prior to first frost.

 

Product Detail

  • Untreated and non-gmo
  • Nitrogen fixing legume
  • Fast growing
  • Used as cover crop, soil buidling and green manure forage
  • Supresses nematodes
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Product Information

Legume family (Fabaceae). Branched, erect, herbaceous shrubby annual growing 3 to 9 feet high with bright green simple, elliptical leaves. It has deep yellow terminal flowers (open raceme to 10 inches long) and the light brown pods are small (1 inch long and 1/2 inch wide) and inflated.  It has a well-developed root system, with a strong taproot. The number of seeds per pound is 15,000.

Sunn Hemp is much easier to get incorporated into the soil when needed than sorghum, cowpeas, and many other cover crop varieties. Sunn Hemp is the next generation cover crop for vegetable farmers.

NOTES: Sunn Hemp can be toxic if ingested by humans!


Used as a cover crop, Sunn Hemp can improve soil properties, reduce soil erosion, conserve soil water, and recycle plant nutrients.

When grown as a summer annual, Sunn Hemp can produce over 5,000 lbs. of biomass and 100 lbs. of nitrogen per acre. It can produce this amount within 60 to 90 days, so it has the potential to build organic matter levels and sequester carbon in the soil. It is known to suppress nematodes.

Sunn Hemp originated in India, where it has been grown since the dawn of agriculture. It has been utilized as a green manure, livestock feed, and as a non-wood fiber crop.

Sunn hemp is a tropical or sub-tropical plant that, when grown in the continental United States, performs like a Summer annual. It can be planted year-round in Hawaii, below an elevation of 1,000 feet. However, it does not perpetuate itself well and is not found in the wild. Sunn Hemp is adapted to a wide range of soils, and performs better on poor sandy soils than most crops. It is for such situations that it has attracted attention. It grows best on well-drained soils with a pH from 5.0 to 7.5.

Don't forget to buy the necessary inoculant for this product!

This plant grows well all across the United States. "This will be the fourth season planting Sunn Hemp," says our customer David B. "I have had seeds produced on this plant here in mid-Michigan."

*Product packaging may appear different than what is pictured.

Back
Climate Zone(s)
Cool Season
Transition Zone
Warm Season
Coated or Raw
Raw
Fertilizer
Varies
GMO
No
Ideal pH
5.0 - 7.5
Inoculant Needed
Yes - EL Type Inoculant - Garden Combo
Life Cycle
Annual
Overseeding Rate
Not Recommended
Seeding Depth
1/4 - 1/2 inch
Seeding Rate
30 - 50 lbs. per acre
When to Plant
Spring & Summer
Back



Plant at a rate of 25 to 35 lbs. per acre if drilled, or 30 to 50 lbs. per acre if broadcast. The higher seeding rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Plant after the last chance of frost in the spring when your nighttime temperatures are consistently above 65 degrees F. Use an EL Type or Garden Combo Inoculant.

This plant may become weedy or invasive in some regions or habitats and may displace desirable vegetation if not properly managed. Please consult with your local NRCS Field Office, Cooperative Extension Service office, state natural resource, or state agriculture department regarding its status and use. Weed information is also available from the PLANTS Web site at plants.usda.gov.

As of 2005, Arkansas considered the genus Crotalaria as a noxious weed. Please consult the PLANTS Web site and your State Department of Natural Resources for this plant's current status (e.g. threatened or endangered species, state noxious status, and wetland indicator values).

To establish a successful stand, seed should be broadcast or drilled and covered 1/2 to 1 in. deep into a well-prepared, weed-free seedbed. If broadcasted, seed at a rate of 40 to 60 lbs. of live seed per acre. If drilled, the rate should be 30 to 50 lbs. per acre in 6 in. rows. The higher rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Where weed competition is mild, drilled rates as low as 20 lbs. of live seed per acre have been satisfactory. Inoculate with the Cowpea-type rhizobia bacteria.

Using a winter cover crop/green manure is a conservation practice that provides soil-improving characteristics. A common problem, however, is that the relatively short period between cash crop harvest in the Fall and planting the following Spring can result in less than optimum biomass production of the cover crop. Sunn Hemp, because of its rapid growth and relatively short growing season requirement, can be an excellent alternative. Where conditions are favorable, it can provide the benefits of a Winter legume prior to a killing frost in the Fall and also in the Summer after the Winter crop has been harvested.

Warm weather (frost-free) is needed for 8 to 12 weeks to provide biomass and nitrogen. Small grains following Sunn Hemp can utilize the symbiotically produced nitrogen, thus reducing or eliminating the loss of nitrogen. It must be plowed under before reaching the full bloom stage or it becomes too fibrous when using it as a green manure.

Hancock's Sunn Hemp Seed - Raw

Hancock's Sunn Hemp Seed - Raw Hancock's Sunn Hemp Seed - Raw Hancock's Sunn Hemp Seed - Raw Hancock's Sunn Hemp Seed - Raw Hancock's Sunn Hemp Seed - Raw

Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per acre of green tonnage. with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. It is also known to suppress nematodes.

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Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per...
Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per acre of green tonnage. with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. It is also known to suppress nematodes. Product Information Application or Use: Pasture, Cover Crop, Green Manure, Food Plot, Erosion Control, Cattle Grazing, Hay Production Germination Time: 7 - 14 days, under optimal conditions Growing Locations: Warm Season, Transition Zone, Cool Season  Height: 3 - 9 feet Sunlight Requirements: 8+ hours, full sun for best results Advantages: Provides as much as 2.5 tons per acre of green tonnage, with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. When to Plant: Recommended planting time is spring and summer when night time temperatures are consistently 65+ degrees and 3 months prior to first frost.   Product Detail Untreated and non-gmo Nitrogen fixing legume Fast growing Used as cover crop, soil buidling and green manure forage Supresses nematodes **image_product** **title_product** **description_product** **price_product**     Product Information Legume family (Fabaceae). Branched, erect, herbaceous shrubby annual growing 3 to 9 feet high with bright green simple, elliptical leaves. It has deep yellow terminal flowers (open raceme to 10 inches long) and the light brown pods are small (1 inch long and 1/2 inch wide) and inflated.  It has a well-developed root system, with a strong taproot. The number of seeds per pound is 15,000. Sunn Hemp is much easier to get incorporated into the soil when needed than sorghum, cowpeas, and many other cover crop varieties. Sunn Hemp is the next generation cover crop for vegetable farmers. NOTES: Sunn Hemp can be toxic if ingested by humans! Used as a cover crop, Sunn Hemp can improve soil properties, reduce soil erosion, conserve soil water, and recycle plant nutrients. When grown as a summer annual, Sunn Hemp can produce over 5,000 lbs. of biomass and 100 lbs. of nitrogen per acre. It can produce this amount within 60 to 90 days, so it has the potential to build organic matter levels and sequester carbon in the soil. It is known to suppress nematodes. Sunn Hemp originated in India, where it has been grown since the dawn of agriculture. It has been utilized as a green manure, livestock feed, and as a non-wood fiber crop. Sunn hemp is a tropical or sub-tropical plant that, when grown in the continental United States, performs like a Summer annual. It can be planted year-round in Hawaii, below an elevation of 1,000 feet. However, it does not perpetuate itself well and is not found in the wild. Sunn Hemp is adapted to a wide range of soils, and performs better on poor sandy soils than most crops. It is for such situations that it has attracted attention. It grows best on well-drained soils with a pH from 5.0 to 7.5. Don't forget to buy the necessary inoculant for this product! This plant grows well all across the United States. "This will be the fourth season planting Sunn Hemp," says our customer David B. "I have had seeds produced on this plant here in mid-Michigan." *Product packaging may appear different than what is pictured.
Climate Zone(s)
Cool Season
Transition Zone
Warm Season
Coated or Raw
Raw
Fertilizer
Varies
GMO
No
Ideal pH
5.0 - 7.5
Inoculant Needed
Yes - EL Type Inoculant - Garden Combo
Life Cycle
Annual
Overseeding Rate
Not Recommended
Seeding Depth
1/4 - 1/2 inch
Seeding Rate
30 - 50 lbs. per acre
When to Plant
Spring & Summer

Instructions

Plant at a rate of 25 to 35 lbs. per acre if drilled, or 30 to 50 lbs. per acre if broadcast. The higher seeding rates should be used if the crop will be terminated in less than 60 days, or...
Plant at a rate of 25 to 35 lbs. per acre if drilled, or 30 to 50 lbs. per acre if broadcast. The higher seeding rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Plant after the last chance of frost in the spring when your nighttime temperatures are consistently above 65 degrees F. Use an EL Type or Garden Combo Inoculant. This plant may become weedy or invasive in some regions or habitats and may displace desirable vegetation if not properly managed. Please consult with your local NRCS Field Office, Cooperative Extension Service office, state natural resource, or state agriculture department regarding its status and use. Weed information is also available from the PLANTS Web site at plants.usda.gov. As of 2005, Arkansas considered the genus Crotalaria as a noxious weed. Please consult the PLANTS Web site and your State Department of Natural Resources for this plant's current status (e.g. threatened or endangered species, state noxious status, and wetland indicator values). To establish a successful stand, seed should be broadcast or drilled and covered 1/2 to 1 in. deep into a well-prepared, weed-free seedbed. If broadcasted, seed at a rate of 40 to 60 lbs. of live seed per acre. If drilled, the rate should be 30 to 50 lbs. per acre in 6 in. rows. The higher rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Where weed competition is mild, drilled rates as low as 20 lbs. of live seed per acre have been satisfactory. Inoculate with the Cowpea-type rhizobia bacteria. Using a winter cover crop/green manure is a conservation practice that provides soil-improving characteristics. A common problem, however, is that the relatively short period between cash crop harvest in the Fall and planting the following Spring can result in less than optimum biomass production of the cover crop. Sunn Hemp, because of its rapid growth and relatively short growing season requirement, can be an excellent alternative. Where conditions are favorable, it can provide the benefits of a Winter legume prior to a killing frost in the Fall and also in the Summer after the Winter crop has been harvested. Warm weather (frost-free) is needed for 8 to 12 weeks to provide biomass and nitrogen. Small grains following Sunn Hemp can utilize the symbiotically produced nitrogen, thus reducing or eliminating the loss of nitrogen. It must be plowed under before reaching the full bloom stage or it becomes too fibrous when using it as a green manure.
Similar Products
Hancock's Sunn Hemp Seed - Raw
Hancock's Sunn Hemp Seed - Raw
Hancock's Sunn Hemp Seed - Raw
Hancock's Sunn Hemp Seed - Raw
Hancock's Sunn Hemp Seed - Raw

Hancock's Sunn Hemp Seed - Raw

78 reviews

Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per acre of green tonnage. with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. It is also known to suppress nematodes.

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Hancock's Sunn Hemp Seed - Raw Description

Sunn Hemp is a fast-growing, nitrogen-fixing legume. Sunn Hemp is used for green manure forage, organic soil building and cover crop applications. Sunn Hemp is non seed-bearing in the North American climates. Sunn Hemp provides as much as 2.5 tons per acre of green tonnage. with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days. It is also known to suppress nematodes.

Product Information

  • Application or Use: Pasture, Cover Crop, Green Manure, Food Plot, Erosion Control, Cattle Grazing, Hay Production
  • Germination Time: 7 - 14 days, under optimal conditions
  • Growing Locations: Warm Season, Transition Zone, Cool Season 
  • Height: 3 - 9 feet
  • Sunlight Requirements: 8+ hours, full sun for best results
  • Advantages: Provides as much as 2.5 tons per acre of green tonnage, with a maximum of 100 units of Nitrogen fixation per acre in as little as 60 days.
  • When to Plant: Recommended planting time is spring and summer when night time temperatures are consistently 65+ degrees and 3 months prior to first frost.

 

Product Detail

  • Untreated and non-gmo
  • Nitrogen fixing legume
  • Fast growing
  • Used as cover crop, soil buidling and green manure forage
  • Supresses nematodes
**image_product**
**description_product**
**price_product**

 

 

Product Information

Legume family (Fabaceae). Branched, erect, herbaceous shrubby annual growing 3 to 9 feet high with bright green simple, elliptical leaves. It has deep yellow terminal flowers (open raceme to 10 inches long) and the light brown pods are small (1 inch long and 1/2 inch wide) and inflated.  It has a well-developed root system, with a strong taproot. The number of seeds per pound is 15,000.

Sunn Hemp is much easier to get incorporated into the soil when needed than sorghum, cowpeas, and many other cover crop varieties. Sunn Hemp is the next generation cover crop for vegetable farmers.

NOTES: Sunn Hemp can be toxic if ingested by humans!


Used as a cover crop, Sunn Hemp can improve soil properties, reduce soil erosion, conserve soil water, and recycle plant nutrients.

When grown as a summer annual, Sunn Hemp can produce over 5,000 lbs. of biomass and 100 lbs. of nitrogen per acre. It can produce this amount within 60 to 90 days, so it has the potential to build organic matter levels and sequester carbon in the soil. It is known to suppress nematodes.

Sunn Hemp originated in India, where it has been grown since the dawn of agriculture. It has been utilized as a green manure, livestock feed, and as a non-wood fiber crop.

Sunn hemp is a tropical or sub-tropical plant that, when grown in the continental United States, performs like a Summer annual. It can be planted year-round in Hawaii, below an elevation of 1,000 feet. However, it does not perpetuate itself well and is not found in the wild. Sunn Hemp is adapted to a wide range of soils, and performs better on poor sandy soils than most crops. It is for such situations that it has attracted attention. It grows best on well-drained soils with a pH from 5.0 to 7.5.

Don't forget to buy the necessary inoculant for this product!

This plant grows well all across the United States. "This will be the fourth season planting Sunn Hemp," says our customer David B. "I have had seeds produced on this plant here in mid-Michigan."

*Product packaging may appear different than what is pictured.

Climate Zone(s)
Cool Season
Transition Zone
Warm Season
Coated or Raw
Raw
Fertilizer
Varies
GMO
No
Ideal pH
5.0 - 7.5
Inoculant Needed
Yes - EL Type Inoculant - Garden Combo
Life Cycle
Annual
Overseeding Rate
Not Recommended
Seeding Depth
1/4 - 1/2 inch
Seeding Rate
30 - 50 lbs. per acre
When to Plant
Spring & Summer



Plant at a rate of 25 to 35 lbs. per acre if drilled, or 30 to 50 lbs. per acre if broadcast. The higher seeding rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Plant after the last chance of frost in the spring when your nighttime temperatures are consistently above 65 degrees F. Use an EL Type or Garden Combo Inoculant.

This plant may become weedy or invasive in some regions or habitats and may displace desirable vegetation if not properly managed. Please consult with your local NRCS Field Office, Cooperative Extension Service office, state natural resource, or state agriculture department regarding its status and use. Weed information is also available from the PLANTS Web site at plants.usda.gov.

As of 2005, Arkansas considered the genus Crotalaria as a noxious weed. Please consult the PLANTS Web site and your State Department of Natural Resources for this plant's current status (e.g. threatened or endangered species, state noxious status, and wetland indicator values).

To establish a successful stand, seed should be broadcast or drilled and covered 1/2 to 1 in. deep into a well-prepared, weed-free seedbed. If broadcasted, seed at a rate of 40 to 60 lbs. of live seed per acre. If drilled, the rate should be 30 to 50 lbs. per acre in 6 in. rows. The higher rates should be used if the crop will be terminated in less than 60 days, or if severe weed competition is expected. Where weed competition is mild, drilled rates as low as 20 lbs. of live seed per acre have been satisfactory. Inoculate with the Cowpea-type rhizobia bacteria.

Using a winter cover crop/green manure is a conservation practice that provides soil-improving characteristics. A common problem, however, is that the relatively short period between cash crop harvest in the Fall and planting the following Spring can result in less than optimum biomass production of the cover crop. Sunn Hemp, because of its rapid growth and relatively short growing season requirement, can be an excellent alternative. Where conditions are favorable, it can provide the benefits of a Winter legume prior to a killing frost in the Fall and also in the Summer after the Winter crop has been harvested.

Warm weather (frost-free) is needed for 8 to 12 weeks to provide biomass and nitrogen. Small grains following Sunn Hemp can utilize the symbiotically produced nitrogen, thus reducing or eliminating the loss of nitrogen. It must be plowed under before reaching the full bloom stage or it becomes too fibrous when using it as a green manure.

Customer Reviews
4.8 Based on 78 Reviews
5 ★
88% 
69
4 ★
6% 
5
3 ★
0% 
0
2 ★
3% 
2
1 ★
3% 
2
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CB
06/30/2022
Collette B.
United States

Sun Hemp

Our sun hemp is growing well. It looks like approximately 90% germination.

RS
06/17/2022
ronald s.
United States United States

Great

Germination was excellent, Deer ate it too quickly in spots. I’m completely satisfied and will order again!

CC
06/12/2022
Cheryl C.
United States United States

Sun hemp ground cover

The sun hemp not only enriches the soil but the roots keep the soil from compacting.

DN
03/02/2022
Douglas N.
United States United States

It's been in the ground for over a week now, and still no germination.

We'll see. So far nothing has come up.

03/12/2022

Hancock Seed

The night time temperatures are still a little too cold for sunn hemp to germinate. The temperatures need to be consistently above 65 degrees for germination to occur. Give it some time, we are sure you will get good results! Thank you for your review and for choosing Hancock Seed!

TB
09/23/2021
The B.
United States United States

Hancock never dissapoints

I have never been dissapointed by anything I've bought from hancock. I planted 50 lbs over about 1.5 acres (mixed with clover but you can't see it anymore) in Northern Michigan (45th parallel). I bought the raw seed. I looked everywhere and even with shipping on a 50lb bag, hancock was the cheapest around (even cheaper than my local exchanges). I inoculated all my seed with EL type in a garbage bag with the powder and used peanut oil as the sticker and then laid it out on a tarp to dry for a few hours. Planted July 1st and some of these plants are taller than I am, and the whole field is at least 4 ft tall and has gone to flower. I wish I could post pictures because the yellow flowers are quite beautiful. I have pulled several plants up and they all had numerous large root nodules from the inoculation which will be available nitrogen next year for my trees. As always. Get a soil test! Don't half a$$ it. Get a soil test and make a fertilizer plan. Side note: I planted Hancock's daikon radishes 2 years in a row, the last time being 2 years ago, aside from the deer LOVING them, I still have radishes growing in my food plots 2 years later despite tilling and discing everything under from how prolifically they went to seed. Just can't beat hancock.

09/24/2021

Hancock Seed

Thank you so much! We are thrilled that you are having such great success with all our seeds! Thank you for your review and for once again choosing Hancock Seed!

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Dade City, FL 33523
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Hancock Seed is dedicated to helping you find the best seed for your project. If you have any questions, fill out the form below, and one of our qualified experts will be in touch as soon as possible! You can also give us a call at (800) 552-1027. If you’re in the neighborhood, swing by the Hancock Farm in Dade City, FL!

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