legume · direct sow

Dry Bean: how much to plant.

A family of 4 eating dry bean a few times a week needs about 38 plants in ~38 sq ft, worth about $15 a year at the store. Here are the exact numbers for your household, and when to plant in every zone.

How much to plant

Plants, space, seeds, and value.

Counts assume about 3 servings per person per week with a germination buffer built in. Store value uses ~$2.00/lb retail, an estimate that varies by region and season.

HouseholdPlantsBed spaceSeeds to buyStore value / yr
1 person10~10 sq ft~19~$4
2 people19~19 sq ft~36~$8
4 people38~38 sq ft~72~$15
6 people57~57 sq ft~107~$23

Spacing

6" in row · 24" between rows

Sow depth

1"

Days to harvest

95 from seed

When to plant

Sow windows by USDA zone, 2026.

Zone dates are typical, not exact. The free planner uses your ZIP code's frost dates, not just the zone, and shifts every window to match.

ZoneSpring sow windowFall sow window
Zone 3May 22 – Jul 14—

Sow Bean, dry by May 22 at the latest. The window runs longer than that, but a later sowing will not finish before your first frost.

Zone 4May 17 – Jun 1—
Zone 5May 7 – Jun 11—
Zone 6Apr 27 – Jun 19—
Zone 7Apr 12 – Jun 4—
Zone 8Apr 1 – May 24—
Zone 9Feb 27 – Apr 21—
Zone 10Feb 7 – Apr 1—

Know when it's time to plant

Give us your ZIP and we'll email you a planting checklist for your exact frost dates, this month's list right now, then once a month when sow windows open.

One email a month, only when there's something to plant. Unsubscribe anytime.

Know before you grow

The practical stuff.

Ready to pick when

Leave pods on the plant until they turn tan and papery and the beans rattle inside. A ready bean barely dents when you bite it.

Yield

About 0.2 lbs per plant over ~1 productive weeks (~0.2 lb).

Watch for

Mexican bean beetle · Aphids · Rust & powdery mildew · Anthracnose, the pest guide covers organic fixes for each, and Pest Radar shows what gardeners near you are reporting right now.

Neighbors

Plays well with sweet corn, squash, carrot, summer savory. Keep away from onion, garlic, onion. Which of these hold up, and what not to plant after

On the plate (per 100 g, USDA)

333 kcal · 24.9 g fiber · 4.5 mg vitamin C · 1410 mg potassium

Related varieties

Stop guessing. Get your exact numbers.

Tell the free planner what you want to eat and who you're feeding. It returns plant counts, spacing, and frost-safe sow dates for your ZIP code, not just your zone, in about 60 seconds.

Bean, dry cans, freezes, or dries for the pantry. See how much to grow and store to feed your household, and how long it keeps.

Bean, dry planting questions

How many dry bean plants do I need per person?+

For steady eating (about 3 servings a week), plan on roughly 10 plants per person. A family of 4 needs about 38 plants, which takes around 38 sq ft of bed space.

How much space does dry bean need?+

Space plants 6" apart in the row with 24" between rows. Sow 1" deep. Direct sow in the bed.

When should I plant dry bean?+

It depends on your frost dates. Spring sowing is keyed to your last spring frost. The zone table on this page shows typical windows; enter your ZIP in the free planner for dates tuned to your exact location, not just your zone.

Is growing dry bean worth it?+

At about $2.00/lb retail and ~0.2 lb per plant, a family-of-4 planting is worth about $15 a year at the store. Prices vary by region and season, so treat it as an estimate.