Navy Bean

Family: Fabaceae Legume

Planting Schedule

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A deep, velvety hush of color—Navy Bean dries down to a smooth, uniform slate-blue that looks almost inked onto the seed coat.

When rehydrated, the beans turn tender and creamy with a fine, even texture that holds its shape beautifully, making them a pantry staple you’ll reach for again and again. Grow this dependable bush bean for a steady harvest of classic dry beans—ideal for slow-simmered favorites, hearty soups, and satisfying bean-forward dishes.

Light: Full SunMaturity: 90 DaysHabit: Bush

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Navy Bean Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Direct Sow	May 25th	Aug 23rd – Aug 29th
Zone 2b	Direct Sow	May 15th	Aug 13th – Aug 25th
Zone 3a	Direct Sow	May 15th	Aug 13th – Sep 1st
Zone 3b	Direct Sow	May 19th	Aug 17th – Sep 21st
Zone 4a	Direct Sow	May 15th	Aug 13th – Sep 24th
Zone 4b	Direct Sow	May 13th	Aug 11th – Sep 27th
Zone 5a	Direct Sow	May 8th	Aug 6th – Sep 30th
Zone 5b	Direct Sow	May 4th	Aug 2nd – Oct 5th
Zone 6a	Direct Sow	May 1st	Jul 30th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jul 24th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jul 19th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	Jul 9th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	Jun 30th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	Jun 21st – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Jun 4th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	May 10th – Dec 9th
Zone 10a	—	Oct 1st	Dec 30th – Feb 28th
Zone 10b	—	Oct 1st	Dec 30th – Feb 28th
Zone 11a	—	Oct 1st	Dec 30th – Feb 28th
Zone 11b	—	Oct 1st	Dec 30th – Feb 28th
Zone 12a	—	Oct 1st	Dec 30th – Feb 28th
Zone 12b	—	Oct 1st	Dec 30th – Feb 28th
Zone 13a	—	Oct 1st	Dec 30th – Feb 28th
Zone 13b	—	Oct 1st	Dec 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Dry navy beans rehydrate into a creamy, even texture that stays classy in soups and baked applications—no ugly breakage, no sandiness. They’re mild by nature, so they really shine when you build the pot with smoked fat, onion-garlic aromatics, and a judicious splash of vinegar to sharpen the finish.

Best Uses

slow-simmered bean soups (thickened, not grainy)
ink-smooth baked beans where the skins stay elegant
seasoned bean purée for dips or sandwich spreads
classic bean-and-smoked-meat braises

Flavor Profile

mild, creamy-bean sweetness velvety interior with a clean, intact bite gentle umami when simmered with aromatics neutral enough to take on stock, fat, and acid

Kitchen Pairings

smoked pork onion garlic black pepper bay leaf apple cider vinegar

Frequently Asked Questions

How do I prevent and treat common navy bean pests or diseases like bean rust or aphids?

In Phaseolus vulgaris, bean rust and aphids often show up as leaf speckling, rust-colored spots, and distorted growth. Start with disease-safe habits: space plants for airflow, avoid wetting leaves, and remove heavily affected leaves early. For aphids, spray plants with a strong jet of water and, if needed, use insecticidal soap in the early morning, repeating every 5–7 days until numbers drop.

How often should I water navy beans during the main growing phase?

During the main growth and flowering phase of Phaseolus vulgaris, keep soil evenly moist but not waterlogged—aim for about 1 inch (2.5 cm) of water per week, adjusting for heat and rainfall. Water at the base to keep foliage dry, and check moisture by feel: the top 1 inch should be slightly moist, not dry, between waterings. Irregular watering during flowering/pod set can lead to poor pod fill, so aim for consistent moisture through about midsummer.

When are navy beans (Phaseolus vulgaris) ready to harvest?

Harvest for dry beans when pods are fully mature and mostly dry, with seeds that feel hard inside the pod and rattle when shaken. Plants are typically ready around 90 days (varies by weather), but focus on pod dryness and seed hardness rather than the calendar. Pull plants on dry days, cure them in a warm, airy spot for about 1–2 weeks, then shell and store once fully dry to prevent mold.