Add it to your home screen and it opens full screen — no browser bars, one tap away, and everything stays signed in. Free, nothing to download from an app store.
- Tap the Share button in your browser
- Scroll down and choose “Add to Home Screen”
- Open GrowSomeFood from your home screen
- Open your browser’s menu
- Choose “Add to Home screen” or “Install app”
- Open GrowSomeFood from your home screen

Dry Bean
Dry beans MUST be cooked (boiled hard for at least 10 minutes) before eating. Raw and undercooked beans contain lectins (phytohaemagglutinin) that cause severe stomach upset - kidney beans especially.
Overview
The pantry crop: grow common beans to full dry seed for storable, protein-rich beans that keep for years - the closest a garden comes to staple food.
Dry beans are the same species as snap beans (Phaseolus vulgaris) grown all the way to the finish: instead of picking tender pods, you let the plants mature, the pods brown and dry, and you shell out the hard seeds — black beans, pinto, kidney, navy, cannellini, and a rainbow of heirlooms. This is the crop that turns a garden into a source of real staple food: shelf-stable, protein-dense, and keepable for years.
They grow almost exactly like bush snap beans — direct-sown after frost into warm soil, self-supporting, nitrogen-fixing — but they hold the bed longer, needing a full 90 to 120 warm days to dry down, and the harvest is a single end-of-season event rather than weeks of picking. The reward is a jar of beans you grew, at pennies of value per plant but enormous value as self-reliance: a few rows can put up a winter's worth of soup and chili beans.
At a glance
- Sun
- Full sun
- Water
- Medium
- Spacing
- 3–6 in (typ. 4)
- Mature height
- 16–30 in (typ. 22)
- Start by
- Direct sow
- Frost
- Tender
- Germination
- 6–14 days (typ. 8) @ 60–90 °F (typ. 75)
When to plant
Zone 7a typical frost: last Apr 10 · first Oct 25
Life stages
- Germination day 0–8 from sowing
-
Keep soil moist, never soggyevery 2 dWait for 60°F soil, water in at sowing, then keep just moist. Cold wet soil rots the seed.
-
Don't sow into cold groundDry beans need the full warm season to mature and dry down, so sow on time - but not before the soil hits 60°F.
Seeds rotting in cold, wet soilBirds and rodents digging the seed -
Keep soil moist, never soggyevery 2 d
- Seedling day 8–21 from sowing
-
Thin to 4-6 inches apartDry beans need airflow to dry their pods cleanly at season's end; give bush plants room now.
-
Weed while the plants are smallKeep the bed clean early; once beans canopy over they shade out most weeds themselves.
Cutworms felling seedlingsSlugs and bean leaf beetles on first leaves -
Thin to 4-6 inches apart
- Vegetative day 18–45 from sowing
-
Water about 1 inch per week at the baseevery 5 dEven moisture builds the frame that will carry a full pod load. Keep water off the foliage.
-
Mulch once the soil is warmSteadies moisture and keeps soil-borne disease from splashing onto the plant.
Aphids on shoot tipsMexican bean beetle eggs on leaf undersidesMosaic-mottled leaves (virus) -
Water about 1 inch per week at the baseevery 5 d
- Flowering day 48–70 from sowing
-
Keep water steady through bloomDrought or heat above ~90°F at flowering drops blossoms and cuts the bean count. Consistent moisture protects the set.
Blossom drop in heat wavesBean rust or anthracnose starting on leaves -
Keep water steady through bloom
- Pod fill day 62–95 from sowing
-
Water steadily while seeds plumpThis is when the beans size up inside the pods; even moisture now makes full, heavy seed.
-
Scout for pod feedersMexican bean beetle and stink bugs feed on filling pods; check and act before they scar the seed.
Mexican bean beetle larvae on leavesAnthracnose lesions on pods -
Water steadily while seeds plump
- Drying down day 95–115 from sowing
-
Cut back watering as pods yellowOnce the leaves yellow and pods start to dry, stop watering so the crop cures on the plant rather than rots.
-
Let the pods brown and rattleWait until pods are tan and brittle and the seeds rattle inside. Rain during dry-down can sprout or mold the beans, so watch the forecast.
Wet weather during dry-down (mold, sprouting in the pod)Pods shattering and dropping seed if left too long -
Cut back watering as pods yellow
- Harvest day 100–115 from sowing
-
Pull the whole plant when pods are dryWhen most pods are brown and rattling, pull the plants and lay or hang them to finish drying 1-2 weeks under cover before shelling.
-
Shell, then dry the seed furtherShell by hand or thresh a sack of pods with a stick; spread the beans to dry another week until a seed shatters (not dents) when bitten.
Frost or extended rain before dry-down (pull plants early and finish indoors)Bean weevil holes appearing in stored seed -
Pull the whole plant when pods are dry
Harvest
- Style
- One-time harvest
- By weight
- 4–16 oz (typ. 8)
- Most pods tan or brown, dry, and brittle
- Seeds rattle loose inside the pods
- A dry bean shatters rather than dents when bitten
Watch out for
Bean Anthracnose Disease HighJun, Jul, Aug, Sep
A seed- and splash-borne fungus (Colletotrichum lindemuthianum) that causes dark, sunken lesions on pods, stems, and leaf veins in cool, wet weather - spread readily by handling wet plants.
Watch for: Sunken, dark-bordered spots on pods (often with pink ooze in humidity), reddish-brown streaks on stems and leaf veins.
Prevent: Start with clean, disease-free seed; never work rows when foliage is wet; rotate on a 2-3 year cycle; and remove crop debris.
Treat: Remove and destroy infected plants; copper can protect healthy foliage in a wet season. Don't save seed from infected plants.
The seed-borne cycle is the danger for dry beans - one infected crop can taint your seed line. Sourced-clean seed is the key defense.
Bean Weevil Pest HighJan, Sep, Oct, Nov, Dec
A small beetle (Acanthoscelides) whose larvae develop inside stored dry beans, hollowing the seed and boring round exit holes - the classic ruin of a jar of home-grown beans. Eggs are often already in the pod at harvest.
Watch for: Round holes in stored beans, fine powdery dust in the jar, tiny beetles emerging, and hollowed or tunneled seeds.
Prevent: Harvest and dry promptly; store fully dried beans airtight; and above all, freeze shelled beans for at least a week before storing to kill any eggs and larvae.
Treat: Freeze or heat-treat infested lots to kill the weevils; discard heavily damaged beans; keep new stores away from old to prevent reinfestation.
The signature storage pest of dry beans - the freeze-before-storing step is essentially mandatory for home-saved beans.
Aphids Pest MediumMay, Jun, Jul, Aug
Small soft-bodied sap-suckers clustering on tender tips and buds, excreting sticky honeydew.
Watch for: Colonies on new growth and flower buds, sticky residue, curling shoots, attending ants.
Prevent: Avoid excess nitrogen; encourage ladybugs and lacewings (zinnia flowers help feed them).
Treat: Hose off or use insecticidal soap. Rarely serious on vigorous zinnias.
The virus they carry is the bigger threat to a seed-saved dry-bean crop than the feeding itself.
Mexican Bean Beetle Pest MediumJun, Jul, Aug
A coppery, spotted relative of the ladybug whose spiny yellow larvae feed on leaf undersides, skeletonizing foliage and cutting yields - the number-one bean pest across much of the country.
Watch for: Fuzzy yellow larvae and clusters of yellow eggs on leaf undersides; lacy, skeletonized leaves; coppery adults with black spots.
Prevent: Float row cover over young plants, grow early varieties that finish before peak beetle season, clean up debris in fall, and rotate the bean bed.
Treat: Crush eggs and larvae by hand daily; insecticidal soap or neem on heavy infestations. The parasitic wasp Pediobius is available for large plantings.
Defoliation during pod fill directly shrinks the dry-bean yield.
Bean Mosaic Virus Disease MediumJun, Jul, Aug
A group of viruses (notably Bean Common Mosaic Virus) that mottle and distort leaves and stunt plants; spread by aphids and carried in infected seed.
Watch for: Mottled light-and-dark green leaves, puckered or curled foliage, stunted plants, and reduced pod set.
Prevent: Grow resistant varieties (many carry BCMV resistance), control aphids, use clean seed, and remove infected plants promptly.
Treat: No cure - rogue out infected plants to protect the rest, and don't save their seed.
Corrected from the draft's truncated 'common-bean-mosaic-viru' slug; seed-borne, so clean seed and resistant varieties matter for saved-seed crops.
Bean Rust Disease MediumJul, Aug, Sep
A fungal disease (Uromyces) producing rusty orange-brown pustules on leaves; heavy infection defoliates plants and shrinks the crop, worst in warm, humid, wet-leaf conditions.
Watch for: Small orange-brown raised pustules, mostly on leaf undersides, ringed by yellow; leaves browning and dropping when severe.
Prevent: Grow resistant varieties, space for airflow, water at the base to keep leaves dry, and rotate beans on a 2-3 year cycle.
Treat: Remove the worst leaves early; sulfur or copper fungicide slows spread in a wet season. Late infections often still allow a harvest.
Shared bean-family disease; distinct slug from cereal and allium rusts.
Good & bad neighbors
Varieties · 24
The classic black bean of Latin American cooking: small, shiny, dense black seeds with rich, earthy flavor that hold their shape in soups, burritos, and rice-and-beans. Reliable, productive bush plants and one of the earlier-maturing dry beans, which helps in shorter seasons.
A hardy 19th-century heirloom, dual-purpose as a stringy-when-old snap bean or a small glossy black dry bean; adaptable and reliable across conditions.
Primarily a snap bean (see the snap-bean and pole-bean files); listed here as dual-purpose, since the tender pods can be left to mature and dried as white shell beans.
The bush Blue Lake, mainly a snap bean; can be grown on to dry white seed as a dual-purpose crop.
The striking 'yin yang' bean, half white and half black in a swirl around the eye; creamy texture, good for soups and holding its dramatic look until cooked.
The large white Italian kidney bean, creamy and mild, essential to minestrone, ribollita, and tuna-and-bean salads. Cooks tender while keeping its shape - the sophisticated white bean of the pantry.
A pole-type heirloom of deep significance, carried by the Cherokee people on the forced 1838 removal that gives it its name. Dual-purpose: eat the pods young as snap beans, or let them mature to shiny black dry beans. Vigorous climbers with purple-tinged pods and flowers - give them a trellis.
An early bush bean usually grown as a snap bean; can be left to mature for a quick, if modest, dry crop in short seasons.
Grow
Direct sow into 60F-plus soil after frost, 4-6 inches apart, and give the crop the whole season to mature - no succession, one long run to dry-down.
Grow dry beans like bush snap beans, but plan for the long haul. Direct sow 1 inch deep, 4 to 6 inches apart, in rows 18 to 30 inches apart, once the soil is at least 60°F. Full sun and well-drained soil are essential — the plants must stand and dry cleanly at the end. Don't succession-sow: unlike snap beans, you want the single crop to mature and cure on the plant, so sow the whole planting on time near your frost-free date to leave the full season for dry-down.
Skip nitrogen fertilizer; beans fix their own, and excess nitrogen delays maturity by pushing leaves. In first-time legume soil, inoculate the seed with Rhizobium for better nodulation. Most dry beans are bush types needing no support, though a few heirlooms (Cherokee Trail of Tears, Rattlesnake) climb and appreciate a trellis. Choose short-season varieties in the North, where the race against fall frost is the whole game.
Care
Steady base watering through pod fill, then cut water off as pods yellow so the crop cures dry on the plant.
Early care mirrors any bush bean: an inch of water a week at the base, a light mulch once the soil warms, and minimal feeding (the plant makes its own nitrogen). Keep the bed weeded until the beans canopy over. Handle plants only when dry to avoid spreading disease, and scout leaf undersides for Mexican bean beetle during pod fill.
The care move unique to dry beans comes at the end: stop watering once the leaves yellow and the pods begin to dry. The goal now is a clean cure on the plant, and extra water only invites mold and rot in the drying pods. Watch the forecast — a stretch of rain during dry-down can sprout or mold the beans right in the pod, and that's the moment to pull plants and finish them under cover instead.
Harvest
A single end-of-season event: pull whole plants when pods are brown and rattling, finish drying under cover, then shell.
Dry beans are harvested once, when most pods on the plant have turned tan or brown, gone brittle, and rattle with loose seed inside. Pull the entire plants (or cut them at the base) and lay them in a single layer or hang them in bunches somewhere dry and airy — a porch, shed, or garage — for one to two more weeks to finish curing. If frost or a wet spell threatens before the pods are fully dry, pull the plants early and dry them entirely indoors.
Then shell: pop small amounts by hand, or for a real crop, put the dry pods in a pillowcase or burlap sack and thresh them by treading or beating the bag, then winnow the chaff away in a breeze. Spread the shelled beans to dry another week until they're hard enough that a seed shatters rather than dents when you bite it — that's the test for safe, weevil-proof storage.
Storage
Fully dried beans keep for years in airtight jars, cool and dark - freeze them first to kill any weevil eggs.
Properly dried beans are one of the best-keeping crops a garden produces: stored airtight, cool, dark, and dry, they stay good for cooking for 2 to 3 years (and edible far longer, if slower to soften). Glass jars are ideal — you can see any moisture or pests. The one enemy is the bean weevil, whose eggs may already be in the pod at harvest; freezing the shelled, dry beans for a week before storing kills them and prevents the heartbreak of opening a jar to find it riddled with holes.
The critical detail is full dryness before sealing: a bean that dents rather than shatters when bitten still holds too much moisture and will mold in the jar. When in doubt, dry a few more days. Save your best, cleanest, largest beans separately as next year's seed — dry beans are their own seed stock.
Propagation & seed saving
The ultimate never-buy-seed-again crop: the harvest IS the seed. Self-pollinating and true, one row replants itself many times over.
No crop makes the 'never buy seed again' case more completely than dry beans: the harvest and the seed are the same thing. The beans you grow to eat are, unchanged, the beans you sow next spring. And because common beans self-pollinate before their flowers open, varieties come true with minimal isolation (10 to 20 feet), so your saved seed stays pure generation after generation with no effort.
To keep seed, simply set aside a portion of your best, fully mature, blemish-free beans from your healthiest plants at shelling time — larger and cleaner than the cooking pile. Freeze them for a week to kill weevils, then store cool, dark, and dry, and they stay viable 3 to 4 years. A single plant yields far more seed than you planted, so even a short row can multiply into a much larger patch the following year, or feed you while banking next year's crop. This is how heirlooms like Cherokee Trail of Tears have survived for centuries — hand to hand, harvest to harvest.
Nutrition
A true staple: dense plant protein, fiber, iron, folate, and magnesium in a crop that stores for years - nutritional bedrock.
Dry beans are among the most nutritionally valuable crops a home garden can grow. A cooked cup delivers roughly 15 grams of protein and 15 grams of fiber, plus substantial iron, folate, magnesium, potassium, and zinc, for almost no fat. The fiber is largely soluble, and beans have one of the lowest glycemic impacts of any carbohydrate food — slow, steady energy that supports blood-sugar and cholesterol control. Paired with a grain, their protein becomes complete, the foundation of countless traditional cuisines.
They're also the rare garden crop that keeps its nutrition in storage for years, making them a genuine food-security staple rather than a seasonal treat. One caution that is nutrition-adjacent: the same lectins that make raw beans a health story make them a hazard uncooked — always boil dry beans hard for at least 10 minutes (kidney beans especially) before eating.
In the kitchen
Soak, then simmer low and slow into soups, chili, refried beans, and stews - each variety brings its own texture and flavor.
Cooking dry beans is mostly patience: soak overnight (or do a quick boil-and-soak), drain, then simmer gently with aromatics until creamy — anywhere from 45 minutes to a couple of hours depending on the bean and its age. Salt toward the end, and hold off on acidic tomatoes until the beans are tender, since acid slows softening. The variety picks the dish: black beans for soup and Latin dishes, pinto for refried beans and chili, kidney for chili and salads, navy and Great Northern for baked beans and creamy soups, cannellini for Italian minestrone and ribollita.
Home-grown dry beans cook up creamier and more flavorful than old supermarket bags, because freshness matters — beans that have sat in storage for years take longer to soften and never get as tender. The essential rule is safety: never eat them raw or undercooked. Boil hard for at least 10 minutes at the start (this destroys the lectins) before dropping to a simmer, and never cook dry beans only in a slow cooker without that initial hard boil.
Medicine
Food, not medicine - but dietary powerhouse for blood sugar and heart health. The real note is a hard safety warning: never eat raw.
Dry beans have no herbal-medicine tradition to speak of; their health value is entirely dietary, and on those terms it is genuine — the fiber, resistant starch, and low glycemic load of beans are central to eating patterns shown to improve blood sugar, cholesterol, and heart health, and legume-heavy diets track with longevity across cultures. Treat them as excellent food that happens to be very good for you.
The one thing that truly matters here is a safety warning, not a benefit: raw and undercooked common beans — kidney beans above all — contain phytohaemagglutinin, a lectin that causes severe nausea and vomiting within hours. As few as four or five raw kidney beans can make a person sick. Always soak and then boil dry beans hard for at least 10 minutes before eating. Cooked properly, they're one of the safest, healthiest foods you can grow.
History
A 7,000-year-old American staple and one of the 'three sisters' - carried worldwide, and preserved today in named heirlooms with deep stories.
The common bean was domesticated independently in Mesoamerica and the Andes more than 7,000 years ago and became a cornerstone of Indigenous agriculture across the Americas — the protein leg of the 'three sisters' with corn and squash, and a storable staple that carried communities through winter. After 1492, Spanish and Portuguese ships spread beans across the globe, where they were adopted so thoroughly that many now seem native to Italy, India, or Africa.
Dry beans hold history in a way few crops do, because the seed and the food are one and the same, passed hand to hand for generations. Heirlooms carry their stories in their names: Cherokee Trail of Tears was carried by the Cherokee people on the forced 1838 removal; Jacob's Cattle, Hutterite Soup, and Vermont Cranberry each descend from a particular community's saved seed. Every dry bean you grow and re-save continues that unbroken living chain.
Troubleshooting
Most dry-bean trouble is a season too short, rain during dry-down, or storage weevils; disease and heat cut the yield.
Pods didn't finish drying before frost: the season ran short — pull whole plants and finish them indoors, and grow shorter-season varieties next year. Beans molded or sprouted in the pod: rain during dry-down — watch the forecast and pull plants to cure under cover when wet weather threatens. Holes in stored beans, powdery dust in the jar: bean weevils — freeze all saved beans a week before storing. Few beans set: heat above 90°F at flowering dropped the blossoms, or too much nitrogen delayed and leafed out the plant. Dark sunken spots on pods: anthracnose from wet foliage — use clean seed, never work wet plants, rotate. Mottled, distorted leaves and stunting: bean mosaic virus spread by aphids — grow resistant varieties, control aphids, and remove infected plants. Leaves skeletonized: Mexican bean beetle — crush eggs and larvae on leaf undersides.
Growing across climates
The season-length crop: the North races short-season types to beat frost; hot-dry climates are ideal; the humid tropics fight dry-down mold.
Dry beans are governed by season length, since they need 90 to 120 uninterrupted warm days to mature and cure. Zones 3-4: marginal but possible with the earliest short-season varieties (Black Turtle, Provider-type) sown as soon as soil warms; the whole game is beating fall frost. Zones 5-8: ideal — a long, warm season lets almost any variety mature and dry cleanly on the plant. Zones 9-10: sow early so the crop dries down before the humid, stormy heart of summer, which molds a drying bean; a hot, dry climate is actually perfect for the cure. Zones 11-13: the hardest for dry beans — tropical wet-season humidity ruins dry-down, so grow strictly in the cool, dry season and expect to finish curing under cover.
Cook it
All 1 recipe →No grower tips for Dry Bean yet — yours could be the first.
Sign in to share what works in your garden.