Cayenne Pepper is grown for its fruit, ready to harvest about 75 days after planting. It's hardy across USDA zones 2 through 11 and stands up to deer. Its flowers are a modest draw for honeybees and native bees, even though the fruit is the prize. As a nightshade, give it a fresh bed each year — away from where its relatives just grew — so the soil-borne pests and diseases of the family never get a foothold.
Zones
2-11
pH Range
4.5-7
Sun
Full Sun
Days to Maturity
75
Score Cayenne Pepper on your exact land.
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What Cayenne Pepper is
Cayenne Pepper reaches around 2.5 feet at maturity. It's also deer-resistant.
How to grow Cayenne Pepper
Cayenne Pepper grows in USDA zones 2 through 11 and is ready to harvest about 75 days after planting. Cayenne Pepper does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.5 to 7, on well-drained ground. It needs around 2,200 growing degree days to mature and a growing season of at least 60 frost-free days, which is why climate matters as much as soil.
USDA Zones
2-11
USDA PHZM 2023
Soil pH
4.5 - 7
USDA PLANTS Database
Sun
Full Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Frost Tolerance
46.4°F
The lowest temperature it shrugs off — below this, expect damage without cover.
Growable Ground plant catalog
Days to Maturity
75 days
Growable Ground plant catalog
GDD Required
2200+
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
2.5 ft
Growable Ground plant catalog
Frost-Free Days
60+
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 cayenne pepper in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Cayenne Pepper prefers pH 4.5 to 7 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Cayenne Pepper is ready about 75 days after planting (University Extension production guides). Pick when the fruit is full-colored and parts easily from the stem.
Good to know
Good news for pet owners — cayenne pepper isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Cayenne Pepper offers low value to bees and other pollinators.
Before you harvest cayenne pepper, know your soil
Anything you grow to eat takes up what's in the ground it grows in, so it's worth knowing what's documented near you before you plant cayenne pepper for food. Our free screen reads 9 federal source types across roughly 1.8M indexed sites and shows which sit near your address and which way they drain. It's a screening estimate from public records and proximity — not a soil test — so a nearby record means a soil test is worth it, not that your soil is unsafe.
Where Cayenne Pepper thrives
On hardiness alone, cayenne pepper grows across most of the country — its range (USDA zones 2 through 11) is unusually wide. 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 2–11·Where Cayenne Pepper growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Cayenne Pepper can grow in these states:
See if Cayenne Pepper will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether cayenne pepper 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 Cayenne Pepper in my zone?
Cayenne Pepper grows in USDA hardiness zones 2 through 11 (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 Cayenne Pepper take to grow?
Cayenne Pepper is ready to harvest about 75 days after planting (University Extension production guides). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Cayenne Pepper?
Most growers plant cayenne pepper after the last spring frost, once the soil has warmed, leaving enough of the season for its 60-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Cayenne Pepper need?
Cayenne Pepper 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 Cayenne Pepper need?
Cayenne Pepper prefers soil pH 4.5 to 7, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Cayenne Pepper attract pollinators?
Yes — cayenne pepper's flowers are a modest nectar source for honeybees and native bees.
Is Cayenne Pepper safe for pets?
Cayenne Pepper is not known to be toxic to dogs or cats based on available data. Always supervise pets around new plantings. (Source: ASPCA.)