Contender Bush Bean
Phaseolus vulgaris 'Contender'
A reliable and productive bush bean that lives up to its name as a top contender in home gardens. This variety excels in both hot and cool weather conditions, producing abundant harvests of tender, stringless pods that maintain their quality even when picked large. Developed for its exceptional adaptability and consistent performance, making it a favorite among both novice and experienced gardeners.
Harvest
50-55d
Days to harvest
Sun
Full sun
Zones
2–11
USDA hardiness
Difficulty
Easy
Planting Timeline
Showing dates for Contender Bush Bean in USDA Zone 7
All Zone 7 bean →Zone Map
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Contender Bush Bean · Zones 2–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 3 | — | — | June – July | August – October |
| Zone 4 | — | — | June – July | August – October |
| Zone 5 | — | — | May – June | August – September |
| Zone 6 | — | — | May – June | July – September |
| Zone 7 | — | — | April – June | July – August |
| Zone 8 | — | — | April – May | June – August |
| Zone 9 | — | — | March – April | May – July |
| Zone 10 | — | — | February – April | May – June |
| Zone 1 | — | — | July – August | September – August |
| Zone 2 | — | — | June – August | September – September |
| Zone 11 | — | — | January – March | April – May |
| Zone 12 | — | — | January – March | April – May |
| Zone 13 | — | — | January – March | April – May |
Succession Planting
Direct sow Contender every 14–21 days starting when soil temps reach 60°F — roughly April through early June in zone 7, which aligns with the UGA Vegetable Garden Calendar's guidance to make successive plantings through May. Each sowing yields a harvest window of about 2 weeks at 50–55 days to maturity, so staggering keeps pods coming rather than producing a single glut.
Stop sowing by mid-June in most of zone 7. Germination stalls when soil temps climb above 95°F, and pod set drops off once daytime highs are consistently above 90°F. A final sowing timed 10–12 weeks before your first fall frost can give you a second run — bush beans don't need the long warm season pole types do — but count back from your frost date carefully and don't push it.
Complete Growing Guide
Contender Bush Bean is best started by direct sowing seeds into the garden after the danger of frost has passed and soil temperatures have reached at least 60°F, ideally 70°F or warmer. Unlike some bean varieties that benefit from indoor starting, Contender performs best when seeds go directly into the ground, as these plants don't transplant well and prefer to establish their root systems immediately in their final location. Plan your sowing about one week after your last spring frost date, or even wait two weeks if you're in a cooler climate—Contender's reputation for thriving in varied conditions doesn't mean it likes cold soil. For fall harvests, count backward 50-55 days from your first expected frost and sow accordingly.
Prepare your planting area by working the soil to a depth of 6-8 inches, incorporating compost or well-rotted manure to improve drainage and fertility. Contender Bush Bean prefers soil with a pH between 6.0 and 7.0. Plant seeds one inch deep and space them two inches apart in rows that are 18-24 inches apart. Once seedlings emerge, thin them to stand four to six inches apart, as proper spacing ensures good air circulation and reduces disease pressure. Direct sowing at the correct spacing prevents the need for thinning later.
Water consistently throughout the growing season, providing about one inch of water per week through rain or irrigation. Contender Bush Bean prefers evenly moist soil but not waterlogged conditions. Water at the base of plants rather than overhead to minimize fungal disease problems. Feed with a balanced fertilizer or light nitrogen application when plants flower, though beans generally fix their own nitrogen and often need minimal feeding if your soil has adequate organic matter.
Contender Bush Bean is particularly susceptible to bean beetles and aphids, so scout regularly for clusters of yellow eggs on leaf undersides—remove and destroy these immediately. Spider mites can become problematic during hot, dry spells, especially in stressed plants; increase humidity through misting if infestations begin. Cutworms may sever seedlings at soil level, so use cardboard collars around young plants if cutworms are a known problem in your garden. This variety's dense foliage can trap moisture and invite white mold and fungal diseases, making air circulation absolutely critical.
While Contender Bush Beans don't require trellising or pruning, many gardeners make the mistake of planting all their seeds at once. Instead, succession plant every two to three weeks from spring through mid-summer to ensure a continuous harvest rather than one overwhelming glut followed by nothing. Plant in full sun—6+ hours minimum—as this improves air circulation and reduces disease incidence.
Harvesting
Harvest Contender bush beans when pods reach four to six inches long and display a bright green color with a firm, crisp texture that snaps cleanly when bent. The pods should feel full and smooth, indicating mature seeds within, but pick before they become tough or yellowed. For maximum productivity, adopt a continuous harvest pattern by picking every two to three days rather than waiting for a single large harvest; this encourages the plant to produce more flowers and extends your growing season. Time your picking in early morning after dew dries but before midday heat, as this preserves pod quality and flavor while minimizing plant stress during the hot part of the day.
The boat-shaped seed pods are bilaterally symmetrical and can be green, yellow, white, or purple at maturity. There is a wide variety of color and shape choices among cultivars.
Color: Gold/Yellow, Green, Purple/Lavender, White. Type: Legume. Length: > 3 inches. Width: < 1 inch.
Garden value: Edible, Good Dried
Harvest time: Fall, Summer
Storage & Preservation
Fresh Contender beans store best unwashed in perforated plastic bags in the refrigerator, maintaining quality for 5-7 days. Avoid storing at room temperature, as they quickly lose sweetness and become tough. For longer storage, blanch whole pods in boiling water for 3 minutes, then plunge into ice water before freezing—they'll maintain quality for 8-10 months.
For canning, use only fresh, tender pods and process in a pressure canner following USDA guidelines—beans are low-acid vegetables requiring pressure canning for safety. Contender's meaty texture makes it excellent for canning, maintaining good firmness after processing. You can also ferment young pods as dilly beans, where their crisp texture and mild flavor absorb seasonings beautifully. Avoid air-drying Contender beans as they're bred for fresh eating rather than shell bean production.
History & Origin
Developed in the 1950s by the U.S. Department of Agriculture, Contender Bush Bean emerged as part of systematic breeding efforts to create reliable snap beans suited to diverse American growing regions. The variety was specifically selected for its ability to perform across varying climates and soil conditions, traits that made it immediately valuable to home gardeners and commercial producers alike. While detailed records of its exact parentage remain limited in widely accessible documentation, Contender represents the post-World War II era of American vegetable breeding when government and university programs prioritized disease resistance and consistent productivity. Its introduction through major seed companies solidified its place as a garden staple that continues to be grown today.
Origin: Tropical America
Advantages
- +Exceptionally adaptable to both hot and cool weather conditions
- +Produces abundant harvests of stringless, tender pods consistently
- +Mature pods maintain quality even when picked large
- +Ready to harvest in just 50-55 days from planting
- +Excellent choice for both beginner and experienced gardeners
Considerations
- -Susceptible to multiple diseases including bacterial blight and anthracnose
- -Attracts common garden pests like bean beetles and spider mites
- -Requires vigilant monitoring for white mold in humid conditions
Companion Plants
Marigolds at the bed edges do real work here — their root secretions suppress soil nematodes, and dense flower clusters draw in predatory wasps that knock back aphid populations before they get established on bean foliage. Nasturtiums pull a similar trick: black bean aphid (Aphis fabae) tends to colonize nasturtiums first, which makes them a useful trap crop you can monitor and cut out rather than chase aphids across your whole planting.
Corn and summer squash are worth pairing with beans for agronomic reasons, not just tradition. Beans fix nitrogen through Rhizobium bacteria in their root nodules, which benefits heavy-feeding corn planted alongside them. Squash leaves shade the soil surface, holding moisture and suppressing the weed pressure that NC State Extension's diagnostic notes identify as a real competitor for water and nutrients. Radishes tucked in at row ends also help by deterring cucumber beetles — one of the pests on UGA's "most wanted" list for the summer garden.
Keep alliums well away from your bean rows. Onions and garlic produce sulfur compounds that appear to inhibit the Rhizobium bacteria beans depend on for nitrogen fixation — plant them too close and you're actively undercutting one of the main agronomic benefits of growing beans in the first place. Fennel is broadly allelopathic to most vegetables and tends to suppress germination and root development in neighboring plants; it doesn't belong in a productive mixed bed regardless of what's nearby.
Plant Together
Marigold
Repels bean beetles, aphids, and nematodes while attracting beneficial insects
Carrots
Improve soil structure and don't compete for nutrients, beans provide nitrogen for carrots
Corn
Provides natural support structure and benefits from nitrogen fixed by bean roots
Summer Squash
Large leaves provide ground cover and moisture retention, part of Three Sisters planting
Cucumber
Benefits from nitrogen provided by beans, similar water requirements
Radishes
Quick-growing crop that breaks up soil and deters bean beetles
Nasturtiums
Acts as trap crop for aphids and cucumber beetles, attracts beneficial predatory insects
Rosemary
Repels bean beetles and carrot flies with strong aromatic oils
Keep Apart
Onions
Inhibits bean growth and nitrogen fixation through allelopathic compounds
Garlic
Stunts bean growth and interferes with beneficial root bacteria
Sunflowers
Allelopathic effects inhibit bean germination and growth
Fennel
Produces allelopathic compounds that inhibit growth of beans and most vegetables
Nutrition Facts
Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #2346400)
Pests & Disease Resistance
Resistance
Good resistance to bean mosaic virus and powdery mildew
Common Pests
Bean beetles, aphids, spider mites, cutworms
Diseases
Bacterial blight, anthracnose, rust, white mold
Troubleshooting Contender Bush Bean
What you'll see, why it happens, and what to do about it.
Leaves with ragged chunks missing, plus orange-yellow egg clusters or small spiny larvae on the undersides — showing up around weeks 4–7
Likely Causes
- Mexican bean beetle (Epilachna varivestis) — the UGA Vegetable Garden Calendar flags this as one of the top culprits in the summer garden; adults and larvae both feed on leaf tissue from the underside out
- Bean leaf beetle (Cerotoma trifurcata) — also named by UGA; chews irregular holes and can vector bean pod mottle virus
What to Do
- 1.Hand-pick egg masses (look for yellow oval clusters on leaf undersides) and drop them in soapy water
- 2.Apply spinosad or neem oil as a targeted spray once you confirm larvae are present — cover the undersides of leaves, not just the tops
- 3.Rotate beans out of this bed for at least 2 seasons; NC State Extension's organic gardening notes confirm rotation breaks overwintering beetle cycles
Water-soaked lesions on pods or leaves that turn brown or tan with a dark border, sometimes with reddish-brown streaks on stems
Likely Causes
- Bacterial blight (Pseudomonas syringae pv. phaseolicola or Xanthomonas axonopodis pv. phaseoli) — spreads fast in wet, warm conditions and moves readily on wet hands and tools
- Anthracnose (Colletotrichum lindemuthianum) — produces sunken dark spots on pods and stems; common on beans in humid summers
What to Do
- 1.Stop working in the bed when foliage is wet — both pathogens spread on contact
- 2.Pull and trash (don't compost) heavily infected plants; thin remaining plants to the recommended 4–6 inch spacing to open airflow
- 3.Next season, start with certified disease-free seed and plant in a bed that hasn't grown legumes in at least 2 years
Frequently Asked Questions
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Growing Guides from Wind River Greens
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Sources & References
External authority sources used in compiling this guide.
See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.