Chickling Vetch is an annual grown for its pods, ready to pick about 120 days after sowing. It's hardy across USDA zones 4 through 7 and handles dry spells once it's established. Its late spring flowers are a moderate draw for honeybees and 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
4-7
pH Range
5-8
Sun
Full Sun
Days to Maturity
120
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What Chickling Vetch is
Chickling Vetch grows as an annual and reaches around two feet at maturity. It blooms in late spring.
How to grow Chickling Vetch
Chickling Vetch grows in USDA zones 4 through 7 and is ready to harvest about 120 days after planting. Chickling Vetch does best in full sun — at least 6 hours of direct sun a day — and soil from pH 5 to 8, on well-drained ground. It needs around 1,200 growing degree days to mature and a growing season of at least 90 frost-free days, which is why climate matters as much as soil.
USDA Zones
4-7
USDA PHZM 2023
Soil pH
5 - 8
USDA PLANTS Database
Sun
Full Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Days to Maturity
120 days
Growable Ground plant catalog
GDD Required
1200+
Growing degree-days of accumulated warmth it needs to mature — humid summers reach this faster than cool coastal ones.
Growable Ground plant catalog
Mature Height
2 ft
Growable Ground plant catalog
Frost-Free Days
90+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Start the season right
Plant chickling vetch in full sun with at least 6 hours of direct sun. It grows in the cool halves of the year, so sow it in spring or late summer rather than waiting for midsummer heat.
Match the soil
Chickling Vetch prefers pH 5 to 8 (Growable Ground Plant 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
Chickling Vetch 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 — chickling vetch 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: Cornell Poisonous Plants Database.)
Chickling Vetch offers moderate value to bees and other pollinators.
Where Chickling Vetch thrives
Chickling Vetch is hardy across USDA zones 4 through 7. 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 4–7·Where Chickling Vetch growsOpen map →
On USDA hardiness-zone overlap, Chickling Vetch can grow in these states:
See if Chickling Vetch will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether chickling vetch actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Chickling Vetch in my zone?
Chickling Vetch grows in USDA hardiness zones 4 through 7 (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 Chickling Vetch take to grow?
Chickling Vetch 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 Chickling Vetch?
Chickling Vetch is a cool-season crop, so it goes in during the cool halves of the year — early spring, and again in late summer for a fall planting — rather than at the height of summer heat. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Chickling Vetch need?
Chickling Vetch 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 Chickling Vetch need?
Chickling Vetch prefers soil pH 5 to 8, on well-drained ground (Growable Ground Plant Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Chickling Vetch attract pollinators?
Yes — chickling vetch's flowers are a solid nectar source for honeybees and native bees.
Is Chickling Vetch safe for pets?
Chickling Vetch 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. (Source: Cornell Poisonous Plants Database.)