New York · zones 5a–7b
When to plant green beans in New York.
Sow between Apr 30 to Jun 20 in a typical year, keyed to New York's median last frost around Apr 30. A second, fall sowing fits Jul 4 to Aug 6. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Green Beans dates for a typical New York season.
Direct sow
Apr 30 to Jun 20
Keyed to the ~Apr 30 last frost. Sow 1" deep, 3" apart.
Fall round
Jul 4 to Aug 6
Counted back from the ~Oct 18 first frost.
Harvest
~55 days later
~0.75 lb per plant over ~3 weeks.
New York spans more than one climate: Zone 7 is the most common zone, but the state runs 5a to 7b. That's why the planner works from your ZIP code's frost dates, not your zone: mountain and coastal gardens in the same state can be three weeks apart.
New York growing notes
A 55-day bush bean fits both the spring and fall windows here, and choosing between them trades one kind of trouble for another rather than avoiding it.
Two windows, and a trade you can't avoid
Bush beans go into the ground direct, an inch deep and thinned to a tight 3 inches apart, and reach a first picking in about 55 days. That speed is what makes both a spring and a fall planting possible in the same year, and with as many as twelve staggered sowings fitting this state's calendar, growers rarely plant this crop just once. A single plant gives up only around three-quarters of a pound over its life, a modest return that makes succession the point; a few short rows sown every couple of weeks keep a full basket coming instead of one planting working alone.
The two windows aren't a free choice between equals, though. Sowings that go in earliest meet a Mexican bean beetle population that hasn't built up yet, but they mature into this state's humid midsummer stretch, when fungal pressure on the leaves runs highest. Sowings timed for a fall harvest flower and pod as the air dries out and cools, dodging that fungal window, but they race a different clock: count back from the fall frost date, and a bean planted too late loses the whole planting at once rather than fading gradually like a leafy crop. Neither window avoids trouble. Early sowings trade beetles for disease, late sowings trade disease for frost risk, and running several sowings across the summer meets both problems in smaller doses.
The beetle that dresses like a friend
Mexican bean beetle is the pest gardeners here most often mistake for something harmless, since the adult looks enough like an oversized ladybug to earn a pass. The real tell is in the count and the finish: sixteen black spots arranged in three rows down a dull, fuzzy copper-bronze back, more spots than a ladybug carries and none of a ladybug's glossy shine. Flip a leaf over during the growing weeks and check for clusters of yellow-orange eggs on the underside; a cluster caught before it hatches is the cheapest control this pest offers all season.
Once the eggs hatch, the spiny yellow larvae do the real damage, rasping away leaf tissue between the veins and leaving a lacy, skeletonized network that browns and curls within days. A heavily hit planting can lose enough leaf area that pod fill drops off even where the pods themselves look untouched. Handpicking adults and larvae into a bucket of soapy water works well enough on a home-sized planting to matter, especially checked twice a week when the earliest sowings are podding, since that's when beetle numbers peak against the least mature plants.
A pod-first disease, not a leaf-first one
Anthracnose is the disease to watch on this crop specifically because it shows up on the part you're picking. Dark, water-soaked lesions sink into the pods themselves, not just the leaves, often ringed with a salmon-colored ooze that's plainest after a humid night, and a pod marked this way is a loss even if the plant otherwise looks fine. The fungus spreads on wet leaves brushed by hands, tools, or clothing, so the best habit is staying out of the rows until morning dew has dried, picking in the afternoon instead.
Rust and powdery mildew round out the humid-season problems here, and both are easier to live with than anthracnose because they hit the leaves rather than the harvest itself. Rust shows as small orange pustules, mostly on leaf undersides, that rub off on a finger as an orange dust the moment they're disturbed; powdery mildew instead sits as a flat white coating across the top of older leaves late in the season and rarely damages a plant already finishing. Neither is worth much beyond stripping the worst leaves and keeping sowings spaced enough for air to move between the rows.
In New York: watch for
The pests that find green beans here.
A middle-length season, about 171 frost-free days, means bush bean overlaps mexican bean beetle for a stretch each summer. Check plants every week or two and treat early.
Coppery ladybug-like beetles; leaves skeletonized to lace.
Organic fix: Handpick adults and yellow egg clusters; neem.
Orange or white spots on leaves late in the season.
Organic fix: Water at the base, space plants, spray neem.
Anthracnose
Sunken dark-red cankers on the pods, and leaf veins turning brick-red to black underneath.
Organic fix: Start with certified seed, water at the base, and stay out of the patch while the leaves are wet.
Your season math: New York gives green beans about 171 frost-free days, and it needs roughly 55 days to a first harvest. That fits about 12 re-sown rounds across the season, so you can keep it coming instead of picking once.
Planting green beans in New York: questions
When should I plant green beans in New York?+
In a typical New York year, sow green beans between Apr 30 to Jun 20, keyed to the state's median last frost around Apr 30. There's also a fall window: Jul 4 to Aug 6. Your exact dates shift with your ZIP code and microclimate.
What USDA zone is New York?+
New York spans zones 5a–7b, mostly zone 7. But frost dates, not zones, set planting time. The free planner uses your ZIP code's actual frost dates.
How many green beans plants do I need?+
Depends who you're feeding. The crop page has exact counts per household size, or the free planner does the math for your family in about 60 seconds.