SproutSmart
SproutSmart Intelligent Garden Sowing

Mississippi Purple

Family: Fabaceae Legume

Planting Schedule

Add Mississippi Purple to your garden to build a schedule and get reminders.

Velvety, inky-purple pods unfurl to reveal beans with a rich, earthy depth—an alluring color that deepens as they mature.

Mississippi Purple’s tender, meaty texture shines whether you savor them fresh or let them mellow into hearty potfuls, lending body to soups, stews, and savory sides. A warm-season favorite for gardeners who love striking color as much as satisfying bite, this variety rewards steady growth with a dependable harvest window around 70 days.

Light: Full SunMaturity: 70 DaysHabit: Bush

Botanical illustration of Mississippi Purple

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsJul 4th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsFull SunFull sun
Growth HabitBush
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)Not Required

Culinary Notes


Chef's Note

Mississippi Purple cowpeas bring a meaty, not-too-starchy texture—great for long simmering when you want the pot to thicken without the beans collapsing into paste. The dark, earthy flavor loves smoke and aromatics, finishing best with something sharp (lemon or vinegar) to lift the whole bowl.

Best Uses

  • quick-sauté pods/young beans with garlic and olive oil for a velvety mouthfeel
  • braises and stews where the beans give body—think thickened broth and spoon-coating richness
  • slow-cooked pot of cowpea-and-vegetable comfort with a peppery finish
  • savory sides: pan-stirred beans finished with butter and acid to keep them from tasting flat

Flavor Profile

earthy, sweet-bean character meaty, tender bite inky, slightly smoky impression when cooked holds texture without turning starchy mush

Kitchen Pairings

smoked paprika garlic onion bay leaf black pepper bacon fat

Frequently Asked Questions


What pest or disease is most likely on Vigna unguiculata (purple hull cowpeas), and how do I manage it?
Watch for cowpea aphids and fungal leaf spots, especially when foliage stays wet. Start by spraying aphids off with a strong jet of water and, if needed, use insecticidal soap in the evening; for leaf spots, water at the soil line and remove heavily spotted leaves early so the canopy dries fast. If problems persist through warm, humid weather, rotate beds next season (don’t plant legumes in the same spot).
How often should I water purple hull cowpeas during the main growing phase?
During flowering and pod fill (roughly mid-season), keep soil consistently moist but not soggy—about 1 inch of water per week total, adjusting for heat and sandy soil. Water deeply 1–2 times per week rather than frequent light watering, and stop back slightly once pods start drying so you don’t encourage disease. If the soil is dry 1–2 inches down, it’s time to water again.
How can I tell when Mississippi Purple (Vigna unguiculata) is ready to harvest?
For fresh purple hull beans, harvest when pods feel full and the seed skins look smooth and glossy, typically around 60–70 days after sowing. For dry beans, leave pods on the plant until they dry to a tan/brown color and rattle when shaken, then harvest and finish drying indoors if needed.