Eggplant is a perennial grown for its fruit, ready to harvest about 75 days after planting. It's hardy across USDA zones 2 through 12 and stands up to deer. Its indeterminate flowers are a moderate draw for 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
2-12
pH Range
4.3-8.5
Sun
Full Sun
Days to Maturity
75
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What Eggplant is
Eggplant grows as a perennial and reaches around three feet at maturity. It blooms in indeterminate. It's also deer-resistant.
How to grow Eggplant
Eggplant grows in USDA zones 2 through 12 and is ready to harvest about 75 days after planting. Eggplant does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.3 to 8.5, on well-drained ground. It needs around 2,400 growing degree days to mature and a growing season of at least 70 frost-free days, which is why climate matters as much as soil.
USDA Zones
2-12
USDA PHZM 2023
Soil pH
4.3 - 8.5
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
48.2°F
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Days to Maturity
75 days
Eggplant; from transplant, indoor 8-10wk standard.
Cornell; UMass-Veg
GDD Required
2400+
plant_species_v5.csv
Mature Height
3 ft
plant_species_v5.csv
Frost-Free Days
70+
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Start the season right
Plant eggplant in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Eggplant prefers pH 4.3 to 8.5 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Eggplant is ready about 75 days after planting (Cornell; UMass-Veg). Pick when the fruit is full-colored and parts easily from the stem.
Good to know
One caution for pet owners — eggplant is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Eggplant offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Eggplant thrives
On hardiness alone, eggplant grows across most of the country — its range (USDA zones 2 through 12) 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 2–12·Where Eggplant growsOpen map →
Continental US shown — Alaska and US Pacific territories sit outside the federal map's polygon dataset.
On USDA hardiness-zone overlap, Eggplant can grow in these states:
See if Eggplant will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether eggplant 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 Eggplant in my zone?
Eggplant grows in USDA hardiness zones 2 through 12 (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 Eggplant take to grow?
Eggplant is ready to harvest about 75 days after planting (Cornell; UMass-Veg). Your local frost dates and soil temperature move that window earlier or later.
When should you plant Eggplant?
Most growers plant eggplant after the last spring frost, once the soil has warmed, leaving enough of the season for its 70-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 Eggplant need?
Eggplant 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 Eggplant need?
Eggplant prefers soil pH 4.3 to 8.5, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Eggplant attract pollinators?
Yes — eggplant's flowers are a solid nectar source for native bees (Xerces Society, Pollinator Partnership).
Is Eggplant safe for pets?
Eggplant is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency.