Cool Season Soil Builder
Top Pick
Green Cover

Cool Season Soil Builder

Best soil amendment for gardeners improving fertility during the cooler months.

This 11-species blend does the heavy lifting of soil restoration by naturally fixing nitrogen and breaking up compaction while you wait for spring. It requires a bit of patience for the winter cycle to complete, but the payoff is a biologically active, nutrient-dense foundation for your next harvest.

$15.50

In Stock at SeedTime (retailer)

Owner Satisfaction

4.7

/ 5

 

Category Rank

272

/ 6553

#272 in Seeds & Seed Tape

Price vs Category Average

+52%

Above average

Who it's for

  • Organic farmers seeking sustainable soil fertility solutions
  • Landowners focused on preserving topsoil and preventing erosion
  • Gardeners managing compacted soil needing better drainage

Who should skip it

  • Producers lacking time or equipment for precise crop termination
  • Budget-conscious growers prioritizing low-cost, single-species options
  • Farmers in regions with highly unpredictable autumn weather patterns

Performance breakdown

Soil Regeneration

Eleven diverse species create a powerhouse for restoring depleted garden beds.

Excellent

Biological Activity

Pre-inoculated seeds jumpstart essential microbial life for healthier root systems.

Excellent

Ease of Termination

Natural winter-kill eliminates the need for heavy tilling or herbicides.

Excellent

Pollinator Support

Diverse plant selection actively invites beneficial insects into your garden space.

Excellent

Compaction Relief

Deep-rooting varieties effectively break up dense soil for better water infiltration.

Excellent

Seeding Versatility

Flexible bag sizes accommodate everything from small patches to large plots.

Excellent

Key Specs

Contains 11 different species including legumes, grasses, brassicas, and broadleaves.

Broadcast Seeding Rate

2 lbs per 1000 square feet (90 lbs per acre).

Seeds are non-GMO and not treated with pesticides.

Pre-inoculated with Elevate'd Fungi and Bolster L Inoculant.

Cold kills normally in climates reaching 10 °F lows.

Available in 1 lb, 5 lb, and 10 lb bag sizes.

Inoculants contain nitrogen-fixing rhizobia bacteria and phosphorus-solubilizing bacteria.

Planting Season

Fall

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Cool Season Soil Builder

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In stock

$16
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