Mammoth Red Clover Organic Cover Crop Seed
Quick Facts
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Latin Name
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Trifolium pratense
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Days To Maturity
Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
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70-90 bloom
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Life Cycle
Life Cycle
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).
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Biennial
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Hybrid Status
Hybrid Status
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
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Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next. -
Open Pollinated
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Product Features
Product Features
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Organic Seeds, Plants, and Supplies
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Plants, or seeds harvested from plants, that have been grown without synthetic fertilizers or pesticides, strictly adhering to the USDA's National Organic Standards Board (NOSB) organic gardening practices are designated as Organic.
Supplies that meet the USDA's National Organic Program (NOP) rules according to a third-party authority such as OMRI, WSDA, and/or a local authority such as MOFGA or NOFA. -
Edible Flowers
- Variety's flowers may be consumed.
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Attracts Beneficial Insects
- Variety attracts and supports pollinators and/or insects that prey on garden pests.
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Mammoth Red Clover Organic Cover Crop Seed
The best clover for poor soils.
A tall (2–3'), quick-growing clover. Sow in spring, summer, or fall, alone or with grain/grass. Will grow in more acidic soil (pH 5.0–6.0) than other clovers if lime is applied at seeding time. Widely grown biennial used for Nitrogen addition and hay crops. Large plant with big leaves makes it an ideal grazing crop. Red clover may be the best choice for frost seeding; it is extremely cold hardy and does well in most soils and growing conditions. it does, like most clovers, perform poorly in hot weather unless seeded into a crop canopy. Incorporate fully for best results. Mammoth Red clover will fix between 70–110 lb. nitrogen per acre. The long taproots loosen soils and mine phosphorus and other nutrients from deep in the soil. It should be seeded with 48–64 lb. or 1.5–2 bushels/acre of oats to "nurse" the clover. Inoculate with Alfalfa/True Clover Inoculant (#7535) for best performance. USDA Certified Organic.Specs:
Quick Facts
-
Latin Name
-
Trifolium pratense
-
Days To Maturity
Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
×
-
70-90 bloom
-
Life Cycle
Life Cycle
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).
× -
Biennial
-
Hybrid Status
Hybrid Status
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
×
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next. -
Open Pollinated
-
Product Features
Product Features
-
Organic Seeds, Plants, and Supplies
-
Plants, or seeds harvested from plants, that have been grown without synthetic fertilizers or pesticides, strictly adhering to the USDA's National Organic Standards Board (NOSB) organic gardening practices are designated as Organic.
Supplies that meet the USDA's National Organic Program (NOP) rules according to a third-party authority such as OMRI, WSDA, and/or a local authority such as MOFGA or NOFA. -
Edible Flowers
- Variety's flowers may be consumed.
-
Attracts Beneficial Insects
- Variety attracts and supports pollinators and/or insects that prey on garden pests.
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- This product does not ship to Canada.
This item’s size, weight, or shape may require an additional shipping surcharge based on the shipping location selected. Specific charges will be displayed during checkout.
Uses: Clovers and alfalfa make up a group of small-seeded legumes that provide several benefits including nitrogen fixation, compaction relief, erosion control, and pollinator support. Treatment with the appropriate inoculant will increase productivity and nitrogen fixation.
Culture: Sow at ¼–½" deep in a firm seedbed at the rates described below. If broadcasting, sow at the high end of the range. Clovers and alfalfa can be divided into two categories for management – annual vs. perennial/biennial.
Annual:
Crimson Clover – can be planted as a summer or winter annual, depending on the region. In Zone 6 and warmer, Crimson Clover is typically planted 6–8 weeks before the first frost and allowed to overwinter before termination in the spring. In colder regions, spring sowing will provide abundant biomass and nitrogen by mid-to-late summer. Crimson Clover can occasionally survive in parts of Zone 5 with adequate snow cover, so growers in these regions should be prepared to terminate in the spring.
Perennial/Biennial:
Alfalfa – Commonly used for forage or hay, it can also be used as a nitrogen-fixing cover crop. Growth is slow initially but grows rapidly once established. Sow early spring or late summer. Often mixed with a grain to help with establishment.
Mammoth Red and Medium Red Clovers – Sow from early spring to late summer. Often used for frost seeding into a winter grain or overseeding into a standing crop at last cultivation. Both varieties handle mowing, though Medium Red Clover responds better.
NZ White Clover – Well suited for living mulch applications due to its tolerance of mowing and foot/vehicle traffic. Sow from early spring to late summer or frost seed into a winter grain.
Sweet Clover – Slow growth in the first year is followed by impressive biomass production in year two. Sow in early spring through late summer and terminate prior to seed set. Sweet Clover produces a high percentage of hard seed and can become weedy if not managed properly.
Seeding Rate: Alfalfa: ½ lb./1,000 sq.ft., 15–20 lb./acre. Use ½ this rate when sowing with a grain or grass. Crimson Clover: ⅓–½ lb./1,000 sq.ft. or 12–20 lb./acre alone or with grain/grass. In a mix, decrease amount by ½. Mammoth Red Clover & Medium Red Clover: ¼–½ lb./1,000 sq.ft., 8–12 lb./acre. In a mix, decrease amount by ½. NZ White Clover: ¼–½ lb./1,000 sq.ft., 5–15 lb./acre. In a mix, decrease amount by ½. Sweet Clover: ¼–½ lb./1,000 sq.ft., 8–12 lb./acre. In a mix, decrease amount by ½.
Light Requirements: All prefer full sun but will tolerate shade.
Soil Requirements: Clovers and alfalfa perform best in cool, well-drained soils with a neutral pH. Sweet Clover is more tolerant of heavy soils and is often used to break up compaction and improve soil tilth.
Height: See individual product descriptions.
Harvest: Once established, clovers and alfalfa can be harvested for pasture forage and hay. Alfalfa, New Zealand White Clover, and Medium Red Clover are best suited for multi-cut or repeated grazing.
Termination: Clovers and alfalfa can be used as green manures, terminating at any point. For maximum nitrogen benefit, incorporate at flowering. Tillage with a rototiller, disc harrow, or plow are the most common methods, ideally after mowing beforehand. Tarping for a minimum of three weeks can be effective on a smaller scale. Due to its height and structure in its second year of growth, Sweet Clovers are a bit more challenging without larger equipment.
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