Vegetables · LegumesPhaseolus vulgaris

Pinto Bean

The most popular bean in the United States, with speckled brown and beige markings that disappear into a uniform pink-brown when cooked.

Full Sun (6-8h+)Medium (even moisture)90 daysDifficultyBeginner Friendly
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Pinto Bean
Sow & harvest reminderstuned to your local frost dates
Pinto Bean × Onion — keep apart
Sunlight
Full Sun (6-8h+)
Water Need
Medium (even moisture)
Frost Tolerance
Tender (no frost)
Days to Maturity
90 days
Plant Spacing
10 cm
4 in
Hardiness Zones
Zone 4–11
USDA
Difficulty
Beginner Friendly
Expected Yield
50-120g
On this pageOverview
01 · Overview

Meet Pinto Bean

The most popular bean in the United States, with speckled brown and beige markings that disappear into a uniform pink-brown when cooked. Pinto beans are the essential ingredient in refried beans and are delicious in burritos, chili, and as a simple side dish. Bush varieties are straightforward to grow and produce a heavy crop for drying and winter storage. Sow directly after the last frost in warm soil and keep well watered during flowering for maximum yields.

90
days from seed to your first harvest. Time your whole season around it — sow, feed and pick dates all key off this one number.
02 · When to plant

When to plant Pinto Bean

Direct sow only after last frost when soil reaches 60°F. Plant 1-2 inches deep. Inoculate with Rhizobium before planting. Seeds germinate in 7-14 days. Do not soak before planting as this can cause splitting. Space 4-6 inches apart. Seeds remain viable for 3-4 years. Plant in warm, dry conditions for best germination. Avoid cold, wet soil which causes seed rot.

The Season Plate

Your Pinto Bean Year

Composed for Zone 7 · typical seasons · frost passes Apr 2, returns Nov 1

Sow Pinto Bean May – Jun, pick Aug – Oct. Set your climate below and every date on this plate re-times itself.

Pinto Bean
Phaseolus vulgaris
JFMAMJJASONDMay – JunSOWING SEASON
Sowing window
May – Jun
re-timed to your frost dates
Plant out
after Apr 2
once frost risk has passed
First picking
around Aug 13
≈ 90 days from sowing · 50-120g per plant
Composed for —Used once to set your season · only the zone is kept
Week-by-week Pinto Bean reminders watering, feeding and pruning, timed to your dates
In the app
Frost alerts for your garden a warning before a cold night costs you the crop
In the app
Succession sowing dates so the picking never gaps mid-season
In the app
Keep my dates — free for 7 daysWe nudge you as each window opens · cancel anytime
03 · Growing guide

How to grow Pinto Bean

Direct sow pinto bean seeds 1-2 inches deep after all frost danger and soil reaches 60°F. Space 4-6 inches apart in rows 24-30 inches apart. Seeds germinate in 7-14 days at 65-85°F. Pinto beans are bush types growing 18-24 inches tall that do not require support.

Provide full sun and moderate water. Pinto beans are fairly drought-tolerant and actually produce better in drier conditions. Avoid overhead watering to prevent disease. As nitrogen-fixing legumes, no nitrogen fertilizer is needed. Apply phosphorus if soil is deficient.

Pinto beans require 85-100 days for dry bean harvest. Allow pods to dry on plants until brown and papery. In wet climates, pull plants before rains and finish drying under cover. Pinto beans are the most widely grown dry bean in the United States and are the classic bean for Mexican refried beans and many Southwestern dishes.

Rows of bushy pinto bean plants growing in a sunny vegetable garden
Compact bush plants grow 18-24 inches tall and need no staking or trellising
The Spacing Plate
4 × 8 ft · 10 cm

288 plants fit a 4 × 8 ft bed

Each Pinto Bean wants 10 cm of elbow room. The planner keeps that spacing for you — every plant, every bed.

Your bed —
288 plants, properly spaced — room to grow without crowding. Sowing opens in May where you garden.
Lay out my Pinto Bean bedAuto-spaced in the planner · free for 7 days
04 · Companions

Pinto Bean's best neighbours

Pinto beans fix nitrogen in the soil for neighboring and subsequent crops. Plant with corn and squash in the Three Sisters method. Good companions include carrots, cucumbers, and eggplant. Avoid onions, garlic, and fennel. Follow pinto beans with nitrogen-hungry crops like corn or brassicas. Bush plants do not shade neighbors significantly.

The Society Table

Corn belongs beside it. Onion doesn't.

Old growers' knowledge, checked against Pinto Bean's real companion table below — test any plant you're growing.

Grows well in the company of · 3
Keep apart · 2
Plant Pinto Bean with good neighboursThe planner flags conflicts before they're in the ground

Related growing guides

05 · Soil & feeding

Feed it well

Pinto beans grow in well-drained soil with a pH of 6.0-7.0. Inoculate with Rhizobium for nitrogen fixation. No nitrogen fertilizer needed. Light phosphorus at planting supports pod development. Pinto beans prefer drier conditions and good drainage. Avoid heavy, wet soil. Moderate fertility produces the best bean-to-foliage ratio. Sandy loam is ideal.

Ideal Temperature

18°C – 30°C
10°C18°C27°C35°C

Hardiness Zone Compatibility

12345678910111213
Ideal (zones 4-11)Greenhouse / protection neededNot recommended
06 · Growth stages

From seed to harvest, stage by stage

0–10 days

Seed Germination

Seeds swell rapidly in warm, moist soil and send out a thick white radicle root within 3-5 days. The hypocotyl arch pushes through the soil surface, lifting the large cotyledon leaves. Germination requires soil temperatures of at least 16°C (60°F) and is fastest at 24-27°C (75-80°F).

10–25 days

Seedling Establishment

The first trifoliate leaves unfurl above the cotyledons, and the root system begins developing nitrogen-fixing nodules with Rhizobium bacteria. Seedlings grow steadily and develop a compact, bushy habit. The cotyledons yellow and drop as the plant becomes self-sufficient.

25–45 days

Vegetative Growth

Bush-type plants develop rapidly to their full height of 45-60 cm (18-24 inches), producing dense foliage and a strong root system studded with nitrogen-fixing nodules. The branching structure fills out as the plant prepares for flowering.

45–60 days

Flowering

Small white to pale lavender flowers appear in clusters along the stems. Each flower is self-pollinating, though bee visits improve pod set. Flowering occurs over a 2-3 week period, with pods beginning to form on the earliest flowers while later flowers are still opening.

60–80 days

Pod Fill

Green pods swell as seeds develop inside, progressing from flat to plump. At this stage, beans can be harvested as fresh shelling beans with a solid pink color. The characteristic speckled pattern begins to appear as pods start to mature and moisture content decreases.

80–100 days

Dry-Down and Harvest

Pods turn from green to yellow to brown and papery as moisture content drops below 14%. Leaves yellow and drop. The entire plant dries down uniformly in ideal conditions. Beans inside display their full speckled brown-and-beige pattern and rattle inside dry pods when shaken.

Care Tip

Do not soak pinto bean seeds before planting — unlike many beans, pintos have thin seed coats that absorb water quickly and can split or rot if pre-soaked. Plant 2.5-5 cm deep in warm, well-drained soil.

Pinto bean seedling pushing through warm garden soil with thick cotyledon leaves
Pinto bean seedlings emerge quickly in warm soil, lifting their heavy cotyledons above the surface
07 · Monthly care

Caring for Pinto Bean month by month

What to do each month for your Pinto Bean

July

You are here

Flowering begins. Maintain consistent moisture — drought stress during flowering causes severe yield loss. Avoid overhead watering which promotes rust and bacterial blight. Scout for bean beetles and aphids weekly.

The Grower's Almanac

Know exactly what to do in your garden — every month

One email at the start of each month: what to sow, plant, and tackle right now — for your Pinto Bean and everything growing around it. Plus a short starter course that helps you dodge the classic mistakes.

  • What to do, right now
  • Matched to your season
  • Starter course included
08 · Harvest

Harvesting Pinto Bean

For dry pinto beans, leave pods on plants until brown and papery, 85-100 days from sowing. Pull entire plants when most pods are dry. Hang upside down under cover for 1-2 weeks to finish curing. Thresh by beating in a bag and winnow to clean. For fresh shelling beans, harvest when pods are plump but still moist. The speckled pattern appears as beans dry; fresh beans are solid pink.

Pinto bean pods turning brown and papery on the plant as they dry down for harvest
Pods drying naturally on the plant — harvest when they rattle when shaken
The Margin Note
When did you plant?

assuming you sow when the window opens — set your real date

Started from
90days to first pick
PlantedJun 15, 2026 · Seed · ≈ 90 days to maturity
Picking windowSep 13, 2026Oct 13, 2026

Pick Pinto Bean promptly and the plant keeps producing.

Get my week-by-week planHarvest reminders arrive as your window opens

Storage & Preservation

Dry pinto beans until they shatter when bitten. Store in airtight containers for 2-3 years in a cool, dry location. Cooked pinto beans freeze well for 12 months. Pressure can for shelf-stable storage. Refried beans freeze excellently. Dried beans can be ground into flour for baking. Pinto beans are one of the best drying beans for long-term food storage.

09 · Pests

What goes wrong — and the fix

Mexican Bean Beetle

Pest

Skeletonized leaves, coppery beetles and orange spiny larvae on undersides.

Prevention Hand-pick, use row covers, encourage parasitic wasps, plant early.
Fix: Hand-pick adults and larvae, apply neem oil, use spinosad.

Bean Rust

Disease

Reddish-brown pustules on leaf undersides, yellowing, premature defoliation.

Prevention Plant resistant varieties, rotate crops, ensure air circulation.
Fix: Remove affected leaves, apply sulfur fungicide, improve spacing.

Cutworms

Pest

Seedlings cut off at soil level, caterpillars found in soil near damaged plants.

Prevention Use cardboard collars around seedlings, keep area weed-free, till before planting.
Fix: Hand-pick at night, apply Bt to soil surface, use diatomaceous earth around stems.

Troubleshooting Common Problems

Wet, humid conditions promote disease; pinto beans prefer dry climates similar to their native Southwest. Provide excellent air circulation and avoid overhead watering. Cold, wet soil causes poor germination; plant in warm soil. Mexican bean beetles can cause rapid defoliation; scout regularly. Uneven pod maturity means harvest timing is a balance. Pod shattering in very dry conditions.

Growing Tips

  1. Do not soak pinto bean seeds before planting. Unlike many larger-seeded beans, pintos have relatively thin seed coats that absorb water quickly and are prone to splitting and rotting when pre-soaked. Plant directly into warm, moist soil for the best germination rates.
  2. Inoculate seeds with Rhizobium leguminosarum inoculant at planting time, especially if the bed has not grown beans in the past 3-4 years. The nitrogen-fixing bacteria dramatically improve plant vigor and yield while enriching the soil for future crops.
  3. Pinto beans are dryland crops that actually prefer drier conditions than most garden vegetables. Overwatering promotes lush foliage, root rot, and foliar diseases. Water deeply but infrequently, and withhold water entirely during the dry-down phase as pods mature.
  4. Avoid all nitrogen fertilizer — the Rhizobium nodules provide all the nitrogen pinto beans need, and additional nitrogen causes excessive leaf growth at the expense of pod production. A light application of phosphorus (bone meal or rock phosphate) at planting supports flowering and pod fill.
  5. Cultivate weeds early and shallowly, as pinto beans have a relatively shallow root system that is easily damaged by deep hoeing. Once plants are 15 cm tall, apply a light organic mulch to suppress weeds and conserve soil moisture.
  6. For the highest-quality dried beans, time your harvest carefully. Pull entire plants when 90% of pods are dry and brown but before heavy rains can cause sprouting or mold. In humid climates, harvest slightly early and finish drying under cover.
  7. Practice strict 3-year crop rotation with pinto beans to prevent the buildup of bean rust, bacterial blight, and root rot pathogens in the soil. Follow beans with heavy nitrogen feeders like corn, squash, or brassicas that benefit from the residual fixed nitrogen.
  8. Save seeds from your healthiest, most productive plants for next year. Pinto bean seeds remain viable for 3-4 years when stored in a cool, dry place. Select pods from the most uniform, disease-free plants to gradually improve your adapted strain.
10 · Varieties

Pick your Pinto Bean

Pinto

The standard mottled brown-and-beige dry bean. Rich, earthy flavor. The most popular bean in the US. 90 days.

ADvia AmazonShop seeds

Othello

Improved pinto with upright habit and good disease resistance. High yields and uniform beans.

ADvia AmazonShop seeds

Burke

Early-maturing pinto ready in 85 days. Good for short-season areas. Consistent performance.

ADvia AmazonShop seeds
Why Grow Your Own?

A single packet of pinto bean seeds costing $3-5 can plant a 6-meter row that produces 2-4 kg of dried beans — equivalent to $8-20 worth of organic dried pintos or $15-30 worth of canned beans at the grocery store. Growing your own also eliminates the BPA-lined cans and excess sodium found in commercial products. Since dried pinto beans store for 2-3 years, a single productive harvest provides shelf-stable protein for extended periods. The real savings multiply when you consider that homegrown pintos also improve your soil by fixing nitrogen, reducing fertilizer costs for the next crop in the rotation.

11 · Recipes

Quick recipes

Classic Refried Beans (Frijoles Refritos)

Classic Refried Beans (Frijoles Refritos)

30 min (plus overnight soak)

The quintessential Mexican side dish — tender pinto beans mashed and fried with aromatic onion, garlic, and cumin until creamy and rich. Homemade refried beans are incomparably better than canned and freeze beautifully for quick meals.

7 ingredients
Slow-Cooker Charro Beans (Frijoles Charros)

Slow-Cooker Charro Beans (Frijoles Charros)

15 min prep, 8 hrs slow cook

A hearty, brothy Mexican bean dish loaded with smoky bacon, tomatoes, chili peppers, and herbs. Charro beans are a beloved side for grilled meats and tacos, and they only get better the next day as the flavors meld.

8 ingredients

Pinto Bean and Roasted Vegetable Burrito Bowl

35 min

A colorful, protein-packed bowl layering seasoned pinto beans over cilantro-lime rice with roasted vegetables, fresh salsa, and creamy avocado. A wholesome weeknight dinner that showcases homegrown pintos at their best.

7 ingredients

Culinary Uses

Pinto beans are the backbone of Mexican and Southwestern cuisine. Make classic refried beans by mashing cooked pintos with lard or oil. Simmer into charro beans with bacon and chili. Use in burritos, nachos, and tostadas. Cook low and slow for cowboy beans. Add to chili and hearty soups. Mash for bean dip. The creamy, earthy flavor pairs with cumin, chili, garlic, and lime.

12 · Nutrition

What's inside

Per 100g serving
143
Calories
Vitamin C0.8mg (1% DV)
Vitamin A0 IU (0% DV)
Potassium436mg (12% DV)
Fiber9.0g (36% DV)

Health Benefits

  • Pinto beans are among the highest-fiber foods available, providing 9g of dietary fiber per 100g cooked serving (36% DV) — this exceptional fiber content supports digestive regularity, feeds beneficial gut bacteria, and may significantly reduce the risk of colorectal cancer.
  • The combination of high fiber and complex carbohydrates gives pinto beans a very low glycemic index, causing a slow, steady rise in blood sugar rather than a spike — regular consumption is associated with improved blood sugar control in people with type 2 diabetes.
  • Rich in plant-based protein at 9g per 100g cooked, pinto beans provide essential amino acids that complement grains to form complete proteins — the traditional pairing of beans and rice or beans and corn tortillas is nutritionally synergistic.
  • Excellent source of folate (37% DV per 100g cooked), a B vitamin critical for DNA synthesis, cell division, and prevention of neural tube defects during pregnancy — pinto beans are one of the best natural food sources of this essential nutrient.
  • High in iron (12% DV), magnesium (12% DV), and potassium (12% DV), supporting oxygen transport, muscle function, and blood pressure regulation — minerals that many people do not consume in adequate amounts.
  • Studies indicate that consuming legumes like pinto beans 4+ times per week is associated with a 22% lower risk of coronary heart disease, likely due to their cholesterol-lowering soluble fiber, potassium content, and antioxidant polyphenols.
13 · History

Where Pinto Bean comes from

Pinto beans (Phaseolus vulgaris) trace their origins to the highlands of central Mexico and Guatemala, where the common bean was first domesticated approximately 7,000-8,000 years ago. Archaeological evidence from caves in the Tehuacan Valley and the Ocampo region of Mexico shows that ancient Mesoamerican peoples were cultivating beans alongside corn and squash — the foundational Three Sisters that sustained civilizations across the Americas. Pinto beans specifically evolved as a dry-adapted variety suited to the arid conditions of what is now the American Southwest and northern Mexico.

Spanish colonizers encountered pinto beans throughout Mexico and the American Southwest in the 16th century and quickly adopted them as a staple food. The beans spread along colonial trade routes and became deeply embedded in the cuisines of the borderlands region. For centuries, pinto beans served as a primary protein source for ranchers, miners, and settlers throughout the arid West, earning nicknames like 'cowboy beans' and 'prairie strawberries.' The combination of pinto beans with corn tortillas creates a complete protein, and this nutritional partnership has sustained communities across Mexico and the American Southwest for millennia.

Today, pinto beans are the most widely produced dry bean in the United States, with North Dakota, Nebraska, Colorado, Idaho, and New Mexico as the leading producing states. The US produces approximately 400,000-500,000 metric tonnes of pinto beans annually. Mexico remains both a major producer and the largest export market for US pintos. Modern varieties like Burke, Othello, and Lariat have been developed for disease resistance and uniform maturity, but the fundamental character of this ancient crop — drought tolerance, nitrogen fixation, high protein content, and exceptional storability — remains unchanged from its Mesoamerican origins.

14 · Did you know?

Pinto Bean: did you know?

Fascinating facts about Pinto Bean

Pinto beans are the single most consumed bean in the United States and Mexico combined, accounting for roughly 40% of all dry beans eaten in the US — their name comes from the Spanish word 'pintado' meaning 'painted,' referring to their distinctive speckled appearance.

15 · FAQ

Pinto Bean questions, answered

When should I plant Pinto Bean?
Plant Pinto Bean in May, June. It takes approximately 90 days to reach maturity, with harvest typically in August, September, October.
What are good companion plants for Pinto Bean?
Pinto Bean grows well alongside Corn, Cucumber, Potato. Companion planting can improve growth, flavor, and natural pest control.
What hardiness zones can Pinto Bean grow in?
Pinto Bean thrives in USDA hardiness zones 4 through 11. With greenhouse protection, it may be grown in zones 2 through 12.
How much sun does Pinto Bean need?
Pinto Bean requires Full Sun (6-8h+). This means at least 6-8 hours of direct sunlight daily.
How far apart should I space Pinto Bean?
Space Pinto Bean plants 10cm (4 inches) apart for optimal growth and air circulation.
What pests and diseases affect Pinto Bean?
Common issues include Mexican Bean Beetle, Bean Rust, Cutworms. Prevention through good garden practices like crop rotation, proper spacing, and companion planting is the best approach. See the detailed pests and diseases section above for symptoms, prevention, and treatment for each.
How do I store Pinto Bean after harvest?
Dry pinto beans until they shatter when bitten. Store in airtight containers for 2-3 years in a cool, dry location. Cooked pinto beans freeze well for 12 months. Pressure can for shelf-stable storage. Refried beans freeze excellently. Dried beans can be ground into flour for baking. Pinto beans are ...
What are the best Pinto Bean varieties to grow?
Popular varieties include Pinto, Othello, Burke. Each has unique characteristics suited to different growing conditions and culinary preferences. See the varieties section above for detailed descriptions.
What soil does Pinto Bean need?
Pinto beans grow in well-drained soil with a pH of 6.0-7.0. Inoculate with Rhizobium for nitrogen fixation. No nitrogen fertilizer needed. Light phosphorus at planting supports pod development. Pinto beans prefer drier conditions and good drainage. Avoid heavy, wet soil. Moderate fertility produces ...
What is the difference between fresh shelling pinto beans and dried pinto beans?
Fresh shelling pintos are harvested when pods are plump but still green and moist, about 70-80 days after planting. At this stage, the beans are solid pink without their characteristic speckles, have a creamy texture, and cook in just 30-45 minutes without soaking. Dried pintos are left on the plant until pods are brown and papery at 85-100 days, developing their famous mottled pattern and storing for years. Dried beans require overnight soaking and 1.5-2 hours of cooking. Both stages are delicious but offer different textures and convenience.
Why did my pinto bean plants produce lots of leaves but very few pods?
Excessive nitrogen is the most common cause — either from fertilizer application or from very rich soil. Pinto beans fix their own nitrogen through root nodules and do not need nitrogen fertilizer; adding more pushes the plant into vegetative growth at the expense of flowering and pod set. Other causes include insufficient sunlight (beans need 6-8 hours of full sun), drought stress during flowering which causes blossom drop, or excessive heat above 35°C (95°F) during the flowering period.
How do I store dried pinto beans for the longest shelf life?
Ensure beans are thoroughly dried first — they should shatter cleanly when bitten, not dent. Store in airtight glass jars, food-grade plastic containers, or sealed Mylar bags in a cool, dry location away from light. Properly dried pinto beans stored at room temperature keep for 2-3 years. For even longer storage (5-10 years), add oxygen absorbers to sealed containers and store below 21°C (70°F). Older beans are safe to eat but take progressively longer to cook and may never fully soften, so rotate your stock.
Can I grow pinto beans in a short-season northern climate?
Yes, but choose an early-maturing variety like Burke (85 days) rather than standard pintos (90-100 days). Start as soon as soil reaches 16°C (60°F) after last frost, and use black plastic mulch to warm the soil a few weeks earlier. In zones 3-4 with fewer than 100 frost-free days, the margin is tight — consider growing pintos as fresh shelling beans harvested at 70-80 days rather than waiting for full dry-down. You can also pull plants before frost and finish drying under cover indoors.
Are pinto beans safe to eat raw or undercooked?
No — raw and undercooked pinto beans contain phytohaemagglutinin (a type of lectin) that causes severe nausea, vomiting, and diarrhea. As few as 4-5 raw beans can trigger symptoms. Always cook pinto beans at a full rolling boil for at least 10 minutes before reducing heat to simmer. Slow cookers that do not reach boiling temperature are particularly risky — always boil beans on the stovetop first before transferring to a slow cooker. Properly cooked beans are completely safe and highly nutritious.
Do pinto beans really improve soil fertility for the next crop?
Yes, significantly. Pinto beans form a symbiotic relationship with Rhizobium bacteria that colonize their root nodules and convert atmospheric nitrogen into plant-available ammonium. A pinto bean crop can fix 40-70 kg of nitrogen per hectare into the soil. When the plants are turned under or their roots decompose after harvest, this nitrogen becomes available for subsequent crops. This is why the traditional practice of rotating beans with heavy nitrogen feeders like corn is so effective — the beans fertilize the soil naturally, reducing or eliminating the need for synthetic nitrogen in the following season.
Why gardeners switch

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From the “When to plant” section

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Design beds on a grid. Every plant snaps to its proper spacing, and you can see your whole season laid out before you spend a cent on seed.

From the “Growing guide” section

Companion conflicts, caught early

200+ good-and-bad pairings checked live as you plant — so a season-wrecking mistake never makes it into the ground.

From the “Companions” section

Reminders you'll actually act on

“Water the beans.” “Pick today before it turns.” Timely, specific, and tied to the plants you're really growing.

From the “Harvest” section

Succession, scheduled

Want a harvest for six weeks, not six days? It spaces your sowings automatically and reminds you when each new block is due.

From the “When to plant” section

A record that gets smarter

Every harvest you log teaches it your garden. Next year's plan starts from what actually worked in your soil, not a textbook's.

From the “Overview” section
Companion crops

Plant these alongside Pinto Bean

Keep growing

More Legumes

Keep apart

Keep Pinto Bean away from these

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