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Sunn Hemp

Sunn Hemp

Crotolaria juncea Only recently available in the U. S., this rock star cover crop builds organic matter, fixes atmospheric nitrogen, controls harmful nematodes, and it still finds time to be beautiful. Warm season legume grows vigorously in good conditions, effectively shading out weeds. In just 60 days it can produce more than 5000#/acre biomass and fix 140#/acre of nitrogen. At this stage it will have just started producing its lovely yellow flowers. Used as a fiber crop in India since prehistoric times; with enough heat, plants can grow 6' high with stems 2" thick! Unlikely to get quite that large up here in the tundra. Tolerates dry conditions. Extremely frost sensitive. No inoculant necessary. Seed after soil reaches 60°, but before Aug. 15, 40#/acre, 1#/1000 sq ft. Raw seed.
Item Discounted
8118A: (1#) $8.00
8118B: (25#) $115.00
8118C: (50#) $175.00
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Additional Information

Farm Seed

Unless otherwise noted, our legume seed is sold “raw”: it has not been inoculated with the appropriate bacteria in a process called rhizocoating.
• Click here for more info on uses of farm seed.

Organic Seed

We are a MOFGA-certified organic repacker and handler of seed and feed.
All our seed is untreated.

Organically grown seed is labeled OG.
The label ECO after the variety name describes non-certified seed grown without pesticides, herbicides or chemical fertilizers on farms which maintain an active soil-building program. Some farmers eschew certification for a variety of reasons, ideological, economic and otherwise.

• Click here for more info on organic certification.