Cowpeas Iron & Clay
Summer Soil Builder & Forage Powerhouse
Cowpeas Iron & Clay - 2 lb bag is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Nonperishable items ship within 48 business hours. Perishable items ship seasonally during mild weather, i.e. winter preorders ship in spring, summer preorders ship in fall.
Cowpeas Iron & Clay
Iron & Clay cowpeas are a heat-loving, quick-growing summer cover crop prized for their ability to fix nitrogen, smother weeds, and produce abundant biomass. These vigorous legumes thrive in poor soils and hot, dry conditions, making them ideal for summer soil building in gardens and fields alike.
Their dense foliage shades out weeds while their roots feed soil biology. Mow or terminate before seed set to return nutrients to the soil and prepare for fall planting.
Best use: Summer nitrogen fixing, weed suppression, soil improvement
Sow: After last frost through midsummer
Growth window: 6–10 weeks before flowering
Seeding rate: ~1 lb per 500 sq ft
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Sun RequirementsFull Sun
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Soil RequirementsMedium-Dry
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Bloom ColorLavender, White
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Bloom TimeJuly, August, September
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USDA Hardiness ZonesZone 5, Zone 6, Zone 7, Zone 8, Zone 9+
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