Item Number: SCM120
Peaceful Valley Premium Soil Builder Mix - Raw Seed (lb)
Cool Season Nitrogen Boosting Cover Crop
Peaceful Valley Premium Soil Builder Mix is a cool-season cover crop blend developed for vegetable rotations, fallow garden beds, orchards, and other areas where growers want abundant biomass, living roots, and the soil-building benefits of legumes. Bell beans, field peas, and vetches contribute vigorous leafy growth, while white oats provide quick ground cover and upright structure that helps support the sprawling legumes.
This diverse growth habit makes the mix useful for protecting exposed soil through the cool season. The oats establish quickly, helping slow erosion and compete with weeds, while the legumes can fix atmospheric nitrogen when properly inoculated and actively nodulated. As the stand develops, its roots occupy different portions of the soil profile and the aboveground growth supplies residue that can be returned to the soil. Actual biomass production and nitrogen contribution vary with climate, planting date, soil fertility, moisture, stand establishment, inoculation, and termination timing.
Sow in September or October in many mild-winter regions, planting earlier where cold weather arrives sooner. In coastal districts and other cool-summer climates, the mix may also be spring planted. Prepare a reasonably clean seedbed, distribute the seed evenly, and cover it 3/4 to 1 inch deep. Maintain adequate moisture during germination and early establishment. For the best balance of manageable residue and soil-building growth, mow or incorporate the cover crop while stems are still tender and before the legumes produce mature seed. Allow time for incorporated material to begin decomposing before planting the next crop.
Because this is raw, non-inoculated seed and the blend contains several legume species, inoculation is strongly recommended. Use a compatible pea, vetch, and bean inoculant, especially where these legumes have not been grown recently. Inoculant helps establish the Rhizobium relationship needed for effective nodulation and nitrogen fixation; it is not a fertilizer and should be handled and applied according to its label.
- Growth Cycle: Cool-season annual cover crop mix
- Application Rate: 3–5 lb per 1,000 sq ft or 70–120 lb per acre
- Planting Depth: 3/4–1 inch
- Germination: Approximately 5–10 days under suitable conditions
- Plant Height: Approximately 4–6 feet if allowed to mature
- Uses: Vegetable rotations, weed competition, erosion protection, beneficial-insect habitat, biomass production, and nitrogen fixation
- Inoculant: Strongly recommended. Use Pea Vetch Lentil Inoculant (treats 100 lb), Garden Combination Mix Inoculant (treats 8 lb), or Garden Combination Mix Inoculant (treats 50 lb). Choose the package size that matches the planting and sow promptly after treating the seed.
Contains: Formulation may vary based on availability. The current mix contains bell beans, BioMaster peas, Dunsdale peas, vetches (hairy, common, and/or purple vetch, depending on availability), and white oats.
Quantity pricing applied at cart and checkout
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Shipping Information
Shipping Information
Shipping Weight: 1.1 lb
Dimensions: 8.0"L x 6.0"W x 2.0"H
Features
Features
- Adds Significant Organic Matter
- Cold Hardy
- Down to 25°F
- Fixes Nitrogen
- Germination in Soils
- Good for Forage/Hay
- Good for Weed Competition
Characteristics
Characteristics
Use Instructions
Use Instructions
Useful Information
Useful Information
Guarantee
Guarantee

Peaceful Valley Farm & Garden Supply brand vegetable seeds are guaranteed to germinate. Once the seeds have sprouted, please understand that Peaceful Valley cannot be held responsible for the many uncontrollable growing and climatic conditions that must be met to ensure the success of your crop(s).
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Zone 9b california valley. Bought and sowed in late September 2025. Looks great now in mid january. I wonder if i can sow inoculated seeds now in my 2026 summer tomato bed. If i sowed it beginning February let it grow til mid march and turned whatever grew, would that help fix some nitrogen? The bed needs help. Or should i just amend bed with manure in march?
I have used this cover crop in my raised beds for the last two seasons, and this has absolutely leveled up my gardening game. I never need fertilizers, and my soil is rich, crumbly and beautiful, allowing me to grow a variety of vegetables with very little effort. Plus, it is affordable and low maintenance. I just spread the seeds in each bed in October, cover them every so slightly, water a bit here and there, and the seeds take in no time. The cover crop grows all winter long, giving the otherwise drab yard a bit of interest, and I hoe it into the soil in spring a few weeks before planting. I absolutely love this product and now recommend cover crop to all of my gardening friends/family members. My next adventure is to try cover crop to curb soil erosion on other parts of my property. The success of this product inspired me to do so. Thank you, Peaceful Valley!
Awesome. Thank you peaceful valley! Works great!!!
Great germination even though we haven’t had a lot of rain.
I use this every year. I contains everything you want in a cover crop from nitrogen fixing to oak grass.