VegetableBean
Kentucky Wonder Bean
Pole Bean
Kentucky Wonder Bean is a 1800s heirloom pole bean that climbs 6 to 8 feet tall, producing abundant pods up to 9 inches long that are tender and stringless when harvested young. Ready to pick in 58 to 60 days from direct seeding, this vigorous grower thrives in full sun across zones 3 to 11 and handles heat well. Its exceptional flavor and versatility in fresh, canned, or frozen preparations have made it a gardener's favorite for generations. Plant seeds directly outdoors once night temperatures stay above 55°F, spacing them 4 inches apart along sturdy trellises or poles.
Photo © True Leaf Market(https://www.trueleafmarket.com/products/kentucky-wonder-bush-beans)
Growing Conditions
USDA Zone
3-11
Sunlight
Full Sun
Water
High
Soil
Well-drained, Fertile Loam
Preferred Temp70-85°F
Growth Stats
96 in
Height
PeriodAnnual
TypeClimbing - Requires Support
Spacing
6-8 inches apart
Plant Profile
Sunlight
Full Sun
Water
High
Zones
3-11
Size
96in H x ?in W
Growth
Annual
Care
Moderate
Hover over chart points for details
Highlights
This heirloom delivers exceptional flavor and remarkable productivity from a single planting. The stringless pods remain tender only when picked young, around pencil thickness, which means you'll be harvesting every few days once production hits its stride. Its nitrogen-fixing nature improves soil for next year's crops, and the vigorous vines climb readily when given sturdy support. Few vegetables reward frequent harvesting quite like Kentucky Wonder does; the more you pick, the more abundantly it produces.
Common Uses
Kentucky Wonder shines as a fresh snap bean, harvested when young and tender for steaming, sautéing, or eating raw. Its stringless pods and gentle flavor make it excellent for canning and freezing, allowing gardeners to preserve the summer harvest for year-round eating. The variety's versatility means you can enjoy the same plant fresh in July and in a home-canned jar come January.
Growing Timeline
First Bloom
50-55 Days After Sowing
First Harvest
65-75 Days After Sowing
Last Harvest
Indeterminate
Care Instructions
Direct Sow
Direct sow seeds outdoors in late spring once night temperatures stay securely above 55°F. Plant seeds 1 inch deep and 4 inches apart along a trellis or 4 to 6 seeds around poles or tripods, about 4 inches from the base of each pole. Thin seedlings to the 3 strongest plants per pole. Space rows 36 inches apart.
Harvesting
Begin harvesting about 2 weeks after the first flowers appear. Pick pods when they are nearly full size, about as thick as a pencil, while seeds inside are still small. Beans should snap easily in your hand when ready; once seeds mature and begin bulging visibly, the pod becomes tough and stringy. Harvest in the morning for the best flavor. Pick at least every 3 to 5 days to maximize yields; daily harvesting is possible and even desirable as it encourages the plant to produce more.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Edible
Soil pH Range
5.5 – 6.5
Scientific Classification
Phaseolus L.
Family
Fabaceae
Genus
Phaseolus
History & Origin
“Kentucky Wonder comes to us from the 1800s as a classic heirloom variety, developed during a time when home gardeners depended on reliable, productive beans for food preservation and winter eating. Its origin carries the stamp of practical American agriculture, when selecting and saving seeds from the most vigorous and flavorful plants meant the difference between a successful harvest and a failed one. The variety has endured more than a century of cultivation because it simply works; gardeners save its seeds year after year, passing them along to the next generation. Some sources also know it by regional names like Texas Pole, Old Homestead, or Egg Harbour, hints of how widely it traveled and how deeply it rooted in different communities.”