Velvet Bean is an annual grown for its pods, ready to pick about 120 days after sowing. It's hardy across USDA zones 9 through 13 and stands up to deer. Its late summer flowers are a moderate draw for native bees, even though the pods are the prize. A nitrogen-fixer, it draws nitrogen from the air and feeds it back to the soil — turn it under or leave the roots in place, and the next planting inherits a richer bed.
Zones
9-13
pH Range
4-7.5
Sun
Full Sun
Days to Maturity
120
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What Velvet Bean is
Velvet Bean grows as an annual and reaches around five feet at maturity. It blooms in late summer. It's also deer-resistant.
How to grow Velvet Bean
Velvet Bean grows in USDA zones 9 through 13 and is ready to harvest about 120 days after planting. Velvet Bean does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4 to 7.5, on well-drained ground. It needs around 2,500 growing degree days to mature, which is why climate matters as much as soil.
USDA Zones
9-13
USDA PHZM 2023
Soil pH
4 - 7.5
USDA PLANTS Database
Sun
Full Sun
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Drainage
well (dry spells)
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Frost Tolerance
50°F
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Days to Maturity
120 days
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GDD Required
2500+
plant_species_v5.csv
Mature Height
5 ft
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Frost-Free Days
0+
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Start the season right
Plant velvet bean in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Velvet Bean prefers pH 4 to 7.5 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band. It fixes its own nitrogen, so skip the high-nitrogen feed and instead dust the seed with a matching rhizobium inoculant at sowing.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Velvet Bean is ready about 120 days after sowing (University Extension production guides). Pick the pods young and tender, before the seeds inside fully swell.
Good to know
One caution for pet owners — velvet bean is toxic to dogs and cats (moderate severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Velvet Bean offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Velvet Bean thrives
Velvet Bean is hardy across USDA zones 9 through 13. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 9–13·Where Velvet Bean growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Velvet Bean can grow in these states:
See if Velvet Bean will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether velvet bean actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Velvet Bean in my zone?
Velvet Bean grows in USDA hardiness zones 9 through 13 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
How long does Velvet Bean take to grow?
Velvet Bean is ready to harvest about 120 days after planting (University Extension production guides). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Velvet Bean?
Most growers plant velvet bean after the last spring frost, once the soil has warmed. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Velvet Bean need?
Velvet Bean needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Velvet Bean need?
Velvet Bean prefers soil pH 4 to 7.5, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Velvet Bean attract pollinators?
Yes — velvet bean's flowers are a solid nectar source for native bees (Xerces Society, Pollinator Partnership).
Is Velvet Bean safe for pets?
Velvet Bean is toxic to pets (dogs,cats) with moderate severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency.