Weight: 103–227 g
Ripening: mid-late
Asimicin: 1%
Disease Resistance: 8/10
Cold Hardiness: 9/10
Yield: 9/10
Tree Height: 3.10-5.10 m
Origin: Bellevue, Michigan (USA)
Taste: Features dense, custard-like yellow flesh with a rich, sweet profile and distinct tropical coconut undertones; noted for its robust, "chewy" consistency. (21.5-24.9 Brix)

Key Points

  • Provenance: Selected by Corwin Davis in Bellevue, Michigan, during the mid-1980s.
  • Vigor: Noted for its exceptional precocity; often begins fruiting much earlier in its life cycle than other cultivars.
  • Yield Dynamics: True to its name, "Prolific" is characterized by high, consistent annual production, often out-yielding peer varieties.
  • Fruit Architecture: Produces medium-sized fruits (avg. 103–227 g) with vibrant yellow flesh and a dense, structural texture.
  • Seasonality: A mid-to-late season variety (Early October in Michigan); best suited for regions with a reliable autumn heat accumulation.
  • Resilience: Maintains high structural integrity; Cold-hardy through USDA Zone 5.
  • Usage: Frequently utilized in professional breeding programs (e.g., Jerry Lehman’s experiments) as a reliable parent for productivity.
  • Attribute: May exhibit a very subtle, refreshing bitterness in the finish when grown in cooler climates, adding complexity to the flavor profile.

Variety Description

Summary

Prolific is the workhorse of the Michigan pawpaw heritage. Developed by the legendary Corwin Davis, it was selected specifically for its ability to produce heavy, reliable crops even in the fluctuating conditions of the American Midwest. It is the defining variety for "early entry into production," often displaying heavy blooms and setting clusters while the tree is still relatively young and small. For the grower who prioritizes volume and reliability over massive fruit size, Prolific is a benchmark selection.

Foundations and Provenance

Isolated in Bellevue, Michigan, Prolific represents the pinnacle of Corwin Davis’s selection work. Davis focused on finding trees that could withstand the shorter seasons of the North while maintaining the tropical eating quality of the genus. Its name is not marketing—it is a genetic description of its high floral abundance and successful fruit set.

Fruit Specifications: Dense and Tropical

Physical Attributes: The fruit is medium-to-large with high density. The flesh is a deep, buttery yellow. Palette: It is a high-sugar variety (21-24 Brix) with a profile that often includes distinct hints of toasted coconut. Texture: Unlike the "soupier" wild selections, Prolific has a firm, almost chewy custard-like consistency that holds its shape well when sliced.

Orchard Productivity

Precociousness: Prolific is famous for its speed. It transitions from a sapling to a fruiting tree faster than almost any other commercial cultivar. Floral Abundance: The tree is a prolific bloomer, producing massive amounts of pollen and flowers, making it an excellent pollinator for other trees in the orchard while simultaneously carrying its own heavy crop.

Management and Logistics

Maturity Timing: In its native Michigan, it peaks in the first week of October. This late-season window means it is best placed in sunny, sheltered microclimates in more northern zones to ensure the fruit reaches its full brix potential before the first hard freeze. Harvest Quality: Because of its dense flesh, the fruit has slightly better handling qualities than the softer "pudding-style" varieties.

Environmental Adaptation

Selected for northern resilience, it thrives in USDA Zone 5-7. It is a vigorous grower that can handle heavy soil conditions better than many more delicate hybrids, provided there is adequate drainage.

Conclusion

Prolific is the ideal cultivar for the practical orchardist. It provides the "sure thing"—a tree that fruits early in its life, yields heavily every year, and delivers a dense, highly flavored tropical fruit that is as reliable as the tree itself.

Breed Performance Summary

Indicator Cultivar Metric
Heritage Line Corwin Davis Selection (Bellevue, MI)
Average Fruit Mass Medium (≈103–227 g)
Yield Density High / Very High (Consistent Annual Payer)
Brix Index High (21.5-24.9)
Maturity window Mid-Late (Early Oct in Michigan)
Precociousness Excellent (Fruits at a young age)
Flesh Consistency Dense / Custard-like / "Chewy"
Hardiness Grade Superior Northern Resilience (USDA 5-8)

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