Sunn hemp is a summer-seeded warm-season annual legume that can produce up to 100 lbs. of N/acre.
Seeding Rate (lbs. / acre)
- Drill: 12-15
- Broadcast: 15-20
- In a mix: 3-8
– Planting depth: Up to 1” max
– Approximate seeds/lb: 15,000
– Days to germination: 3-7
Sunn Hemp Benefits & Info
- Main usage – nitrogen-fixing cover crop
- Works extremely well after wheat
- High seeding rates produce large amounts of biomass
- Shown to increase organic matter levels
- Good choice to increase soil fungi populations
- Mixes well with other summer annuals for soil building
- Research has shown suppression to (root-knot & burrowing) nematodes
- Rapid growth; can reach 6 feet tall in 60 days
- Will terminate at first frost
Forage Considerations
- Can also be grazed, ensiled, or hayed