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Mottled Sieva Butterbean Seeds | Alabama Heirloom Pole Lima

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Mottled Sieva Butterbean: The Legendary Alabama Heirloom Pole Lima

Bring a rich piece of Southern horticultural heritage and extraordinary productivity to your garden with the magnificent Mottled Sieva Butterbean (Phaseolus lunatus). At Firefly Farm & Mercantile, we are thrilled to feature this exceptional pole lima preserved through the prestigious Seed Savers Exchange Seed Vault. Hailing from the fertile soils of Alabama and sharing close ancestral ties to the famous Aubrey Deane line, this vigorous climber offers stunning maroon-and-white seed markings, a distinctive dark ring around the eye, and an exceptionally heavy yield that will keep your pantry well-stocked all season long.


📜 Deep Southern Roots & Vault Preservation

The story of Mottled Sieva is a testament to traditional Southern seed-saving and the vital work of heirloom preservation.

  • Alabama Provenance: Originating from historic family gardens in Alabama, this regional landrace adapted perfectly to the warmth and humidity of the Deep South, producing reliable, heavy harvests when other beans falter.
  • The Aubrey Deane Kinship: Similar in performance and exceptional quality to the renowned Aubrey Deane pole lima, Mottled Sieva carries the same classic small-seeded Sieva vigor and rich, savory flavor profile cherished by generations of southern gardeners.
  • Seed Savers Exchange Legacy: Secured and maintained within the living archive of the Seed Savers Exchange Seed Vault, this heritage variety represents an invaluable genetic link to America's agricultural past, rescued from obscurity for today's growers.
🎨 Visual & Culinary Profile

Mottled Sieva is an absolute powerhouse of visual distinction and gourmet culinary appeal, offering beauty from the vine to the kitchen table.

  • The Plant & Vines: Vigorous, high-climbing pole vines that thrive in summer heat, clothing trellises and fences in lush foliage and delicate blossoms while requiring sturdy vertical support.
  • The Beans: Yields small, plump butterbeans featuring striking maroon-and-white mottled patterns, accented by a distinctive dark circle or "eye" surrounding the seed scar.
  • Flavor & Texture: Supremely tender, rich, and buttery with a concentrated, nutty flavor that defines true southern heirloom butterbeans.
  • Culinary Uses: Exceptional when harvested fresh as tender green-and-maroon shelling beans for classic summer succotash, or allowed to mature and dry on the vine for hearty cold-weather soups.
🌿 Garden Performance & Technical Specifications

Mottled Sieva is a vigorous, warm-season annual pole lima tailored for high-yielding vertical garden production and exceptional climatic resilience

FeatureTechnical Specification
Plant TypeAnnual Climbing Pole Lima Bean (Phaseolus lunatus)
Historical SignificanceAlabama Landrace / Seed Savers Exchange Seed Vault Collection
Days to Maturity85–90 Days from Direct Sowing
Plant HabitVigorous climbing pole vines (requires trellis, netting, or poles)
Sun RequirementFull Sun
Climate AdaptabilityWarm-season crop; exceptionally heavy producer thriving in summer heat
✨ Why We Love It

"Mottled Sieva Butterbean is an absolute treasure straight from the Seed Savers Exchange Vault. We love its deep Alabama roots and its striking maroon-and-white seeds marked with a dark eye. It climbs with incredible vigor and produces remarkably heavy yields of the richest, butteriest small limas you could ever hope to grow."

Cultivation Tips
  • Warm Soil Direct Sowing: Direct sow seeds in late spring after all danger of frost has passed and soil has thoroughly warmed to at least 65°F (18°C). Lima beans are sensitive to cold, wet soils and will rot if planted prematurely.
  • Support the Vines: Install strong trellises, bean towers, or tall poles (6 to 8 feet high) before planting to support the vigorous, climbing vines.
  • Spacing & Moisture: Plant seeds 1 inch deep and space 4 to 6 inches apart along your trellis. Provide consistent moisture during flowering and pod development, watering at the base to keep foliage healthy.

Mottled Sieva Butterbean Seeds | Alabama Heirloom Pole Lima Reviews