Heirloom

Flambo

Phaseolus vulgaris

Flambo (Phaseolus vulgaris)

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Pods avg. 5 1/2" and contain attractive, specked beans. For shell beans, harvest when pods turn dark red with a yellow background. Flambo is excellent fresh, frozen, or canned. Also makes a fine dry bean. Bush bean.

Harvest

75d

Days to harvest

πŸ“…

Sun

Full sun

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Zones

2–11

USDA hardiness

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Height

12-18 inches

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Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Direct Sow
Harvest
Direct Sow
Harvest

Showing dates for Flambo in USDA Zone 7

All Zone 7 bean β†’

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Flambo Β· Zones 2–11

What grows well in Zone 7? β†’

Growing Details

Difficulty
Easy
Spacing4-6 inches
SoilWell-drained loam
WaterRegular
SeasonWarm season annual
FlavorMild, pleasant flavor with attractive speckling; excellent fresh, frozen, canned, or dried.
ColorDark red with yellow background at harvest
Size5 1/2"

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 3β€”β€”June – JulySeptember – October
Zone 4β€”β€”June – JulySeptember – October
Zone 5β€”β€”May – JuneAugust – October
Zone 6β€”β€”May – JuneAugust – October
Zone 7β€”β€”April – JuneAugust – September
Zone 8β€”β€”April – MayJuly – September
Zone 9β€”β€”March – AprilJune – August
Zone 10β€”β€”February – AprilJune – July
Zone 1β€”β€”July – AugustOctober – August
Zone 2β€”β€”June – AugustOctober – September
Zone 11β€”β€”January – MarchMay – June
Zone 12β€”β€”January – MarchMay – June
Zone 13β€”β€”January – MarchMay – June

Succession Planting

Direct sow Flambo every 14 to 16 days starting around April 1 in zone 7, and keep going through early June β€” that gets you two or three plantings before summer heat peaks. Stop once daytime highs are consistently hitting 90Β°F; bean flowers abort without setting pods at that temperature, and you'll just burn through seed. A late-May sowing should finish up in mid-August, which is about as far as you want to push a summer planting in Georgia.

A fall run is worth attempting. Direct sow around August 1 to August 15, counting back 75 days from your first frost date β€” typically mid-November in zone 7. That window is tight but workable, and fall plantings tend to dodge the worst of the Mexican bean beetle pressure that hammers summer crops.

Complete Growing Guide

Flambo beans thrive when direct sown into warm soil after your last frost date has passed, as seeds will rot in cold, wet conditions. These bush beans have no advantage to indoor starting, so wait until soil temperatures reach at least 60Β°F (ideally 70Β°F or warmer) before planting. In most regions, this means sowing in late spring. Direct sow seeds one inch deep and about two inches apart in rows spaced 18 to 24 inches apart. Because Flambo reaches maturity in just 75 days, you can succession plant every two to three weeks until mid-summer to ensure continuous harvests through fall.

Prepare your garden bed with well-draining soil enriched with compost or aged manure worked into the top six inches. Flambo prefers slightly acidic to neutral soil with a pH between 6.0 and 7.0. Full sun exposure is essentialβ€”aim for at least six to eight hours of direct sunlight daily for robust plant growth and good pod production. Once seedlings emerge and develop their first true leaves, thin them to four to six inches apart to allow adequate air circulation, which helps prevent fungal issues.

Water consistently throughout the growing season, providing about one inch of water per week through rainfall or irrigation. Water at soil level rather than overhead to keep foliage dry. During flowering and pod development, maintain steady moisture without waterlogging. Feed Flambo lightly; beans fix their own nitrogen, so avoid high-nitrogen fertilizers that encourage excessive foliage at the expense of pods. A light application of balanced fertilizer when plants begin flowering is sufficient.

The Flambo variety shows particular susceptibility to bean beetles, which can devastate the attractive speckled beans if left unchecked. Scout plants frequently starting when they're young, removing beetle clusters and yellow egg masses by hand. Row covers during early growth stages provide excellent protection. Watch also for spider mites during hot, dry spells, as this variety can suffer from infestations when stressed by drought.

As a bush bean, Flambo requires no trellising or pruningβ€”it naturally forms a compact, self-supporting plant. This makes it ideal for containers or small spaces. Simply let the plant grow naturally and focus on regular harvesting to encourage continued production. Pick pods when they reach the attractive dark red stage with yellow backgrounds if you're harvesting for shell beans; the speckled beans inside are at peak flavor and texture at this point.

One critical mistake gardeners make with Flambo is harvesting too late, waiting for pods to fully dry on the plant. While Flambo does make an excellent dry bean, this approach sacrifices the superior quality of fresh-harvested shell beans. For the best eating experience, harvest at the pod color change stage and shell the fresh beansβ€”you'll discover why this variety is prized for its tender, flavorful beans in all forms.

Harvesting

Flambo reaches harvest at 75 shell; 95 dry from sowing per Johnny's Selected Seeds. Expect 5 1/2" at peak. As an annual, harvest continues until frost ends the season.

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

Flambo beans keep best in a cool, humid environment between 45–50Β°F with 85–90% relative humidity; store in breathable containers or perforated bags rather than sealed ones to prevent moisture buildup and mold. Fresh pods maintain quality for 7–10 days under these conditions, though they'll gradually lose tenderness and sweetness after day five. For longer preservation, freezing works exceptionally well: blanch whole pods for 3 minutes, chill in ice water, drain thoroughly, then pack in freezer bags for up to eight months. Canning is viable for mature, dried beans using standard pressure-canning methods at 10 PSI for pints. Drying is also practicalβ€”allow pods to fully mature on the plant, shell, and air-dry in a warm location until beans are completely hard, then store in airtight containers. Flambo's flat, tender pods are particularly suited to quick-freeze methods that preserve their characteristic mild flavor and firm texture better than slow-thaw methods.

History & Origin

Flambo is open-pollinated, meaning seed saved from healthy plants will produce true-to-type offspring. Listed in the Johnny's Selected Seeds catalog.

Origin: Tropical America

Advantages

  • +Visually attractive speckled beans make Flambo appealing for fresh display
  • +Versatile harvest options work fresh, frozen, canned, or dried
  • +Quick 75-day maturity allows multiple plantings in one season
  • +Easy bush variety requires minimal space and no trellising support
  • +Shell bean stage clearly visible when pods turn dark red

Considerations

  • -Specked bean pattern may deter buyers preferring uniform solid colors
  • -Bush growth habit produces lower total yields than pole varieties
  • -Red pod coloring can mask overmaturity if harvested infrequently

Companion Plants

The Three Sisters combination β€” corn, beans, squash β€” has Flambo doing real structural work: the corn acts as a trellis, Flambo's roots fix atmospheric nitrogen via Rhizobium bacteria (which feeds the corn), and squash leaves shade the soil enough to hold moisture and crowd out weeds. French marigolds (Tagetes patula) tucked at the row ends won't eliminate bean beetles, but they do reduce pressure measurably and cost almost nothing to maintain. Around here in zone 7 Georgia, summer savory is worth planting alongside beans β€” it pulls double duty as a harvest crop and has a documented history of deterring bean aphids. Keep alliums out entirely: onions and garlic produce sulfur compounds that suppress Phaseolus root development at germination, and that's not a theoretical concern β€” it shows up reliably enough that it's not worth testing.

Plant Together

+

Marigold

Repels bean beetles, aphids, and nematodes while attracting beneficial insects

+

Corn

Provides natural pole support for climbing beans in Three Sisters planting

+

Squash

Ground cover reduces weeds and retains soil moisture for bean roots

+

Carrots

Loosen soil for bean root development and don't compete for nutrients

+

Cucumber

Compatible growth habits and beans provide nitrogen that cucumbers utilize

+

Nasturtium

Trap crop for aphids and cucumber beetles, protects beans from pest damage

+

Radish

Quick-growing crop that breaks up soil and deters bean root fly

+

Summer Savory

Repels bean weevils and may improve bean flavor when planted nearby

Keep Apart

-

Onions

Can inhibit bean growth and nitrogen fixation through root secretions

-

Garlic

Allelopathic compounds can stunt bean development and reduce yields

-

Fennel

Releases growth-inhibiting chemicals that negatively affect bean germination and growth

Nutrition Facts

Protein
1.97g
Fiber
3.01g
Carbs
7.41g
Fat
0.275g
Vitamin K
43.9mcg
Iron
0.652mg
Calcium
40mg
Potassium
290mg

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #2346400)

Pests & Disease Resistance

Common Pests

Bean beetles, spider mites, aphids

Diseases

Bean rust, anthracnose, powdery mildew

Troubleshooting Flambo

What you'll see, why it happens, and what to do about it.

Leaves with ragged chunks missing, irregular holes chewed through the blade β€” noticed around week 5 to 7

Likely Causes

  • Mexican bean beetle (Epilachna varivestis) β€” larvae and adults both feed on leaf tissue, skeletonizing from the underside
  • Japanese beetle (Popillia japonica) β€” congregates and feeds in groups, especially in hot weather

What to Do

  1. 1.Hand-pick egg clusters (yellow, football-shaped, on leaf undersides) and drop them in soapy water
  2. 2.Spray neem oil or spinosad early morning before beneficials are active β€” repeat every 7 days
  3. 3.Row cover at planting prevents adults from reaching the crop; remove at flowering so pollinators can get in
Rusty orange or brown pustules on leaf undersides, with yellow halos showing on the upper surface

Likely Causes

  • Bean rust (Uromyces appendiculatus) β€” airborne spores spread fast in humid conditions above 60Β°F
  • Planting beans in the same bed for multiple consecutive seasons, letting spore loads build in the debris

What to Do

  1. 1.Strip and bag infected leaves immediately β€” don't compost them, rust spreads fast once it's moving
  2. 2.Apply a sulfur-based fungicide on a 7–10 day schedule if caught early
  3. 3.NC State Extension's IPM guidance is clear on crop rotation: Flambo shouldn't go back into the same bed for at least 2 seasons
Dark, sunken oval lesions on pods and stems; sometimes a salmon-pink spore mass sitting in the center of the lesion

Likely Causes

  • Anthracnose (Colletotrichum lindemuthianum) β€” seed-borne and soil-borne fungus that spreads fast in wet, cool conditions between 55–65Β°F
  • Overhead irrigation or heavy rain splashing spores from soil or old debris onto lower tissue

What to Do

  1. 1.Start with certified disease-free seed β€” anthracnose travels on the seed coat, and cheap bulk seed is a real liability
  2. 2.Switch to drip or soaker hose irrigation; NC State Extension case studies consistently flag wet foliage as the primary transmission route
  3. 3.Clear out all bean debris at season end β€” don't leave it in the bed over winter
White powdery coating on upper leaf surfaces, usually appearing late in the season as nights get humid and temperatures drop

Likely Causes

  • Powdery mildew (Erysiphe polygoni) β€” unlike most fungal diseases, this one favors dry days paired with humid nights, which is a common pattern in Georgia's late summer and early fall
  • Dense planting that cuts off airflow through the canopy

What to Do

  1. 1.Thin plants to the recommended 4–6 inch spacing from the start; crowded rows are where this gets out of hand first
  2. 2.Spray potassium bicarbonate solution (1 tablespoon per gallon of water) on affected foliage and repeat every 7 days
  3. 3.Flambo finishes at 75 days β€” if mildew hits late, you're better off pulling the remaining pods and yanking the plants than running a full spray program on a crop that's nearly done

Frequently Asked Questions

How long does it take for Flambo beans to mature?β–Ό
Flambo beans typically reach harvest maturity in about 75 days from planting. For fresh shell beans, harvest when pods turn dark red with a yellow background. This timeframe works well for gardeners planning succession plantings throughout the growing season to ensure continuous harvests.
Is Flambo a good bean variety for beginners?β–Ό
Yes, Flambo is an excellent choice for beginner gardeners. It's classified as an easy-to-grow variety and is a bush bean, meaning it requires minimal support or staking. The heirloom variety is reliable, productive, and forgiving of minor gardening mistakes, making it ideal for those new to vegetable gardening.
Can you grow Flambo beans in containers?β–Ό
Yes, Flambo bush beans are well-suited to container growing. Use a pot at least 12 inches deep with well-draining soil. Place containers in a location receiving full sun (6+ hours daily) and water regularly. Container-grown Flambo beans produce well and are easier to manage in small spaces or on patios.
What does Flambo bean taste like and how can you use it?β–Ό
Flambo beans are delicious and versatile. The attractive speckled beans have a mild, pleasant flavor suitable for fresh eating, freezing, or canning. They're also excellent as dry beans for soups, stews, and bean dishes. The dual-purpose nature makes them valuable for various cooking applications and preservation methods.
When should I plant Flambo beans?β–Ό
Plant Flambo beans directly into the garden after the last frost date, when soil has warmed to at least 60Β°F. Beans prefer warm soil and will rot if sown too early in cold, wet conditions. Direct sow seeds about 1 inch deep and 4-6 inches apart for optimal germination and plant development.
Do Flambo beans need full sun to grow well?β–Ό
Yes, Flambo beans require full sun to thrive, meaning at least 6 hours of direct sunlight daily. Full sun exposure maximizes plant vigor, flowering, and pod production. Plants grown in partial shade may produce fewer beans and take longer to mature, so choose your planting location accordingly.

Growing Guides from Wind River Greens

Where to Buy Seeds

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.

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