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When to plant Eggplant

Computed from land-grant Extension planting-window rules (cited below), localized to real ZIP-level median frost dates, not a single national guess. These are national-generic rules by hardiness class; individual state Extension offices layer their own regional adjustment on top (earlier in the Deep South, later in the Upper Midwest). Enter your ZIP for your own dates, or read the four representative locations below.

Planting windows and crop timing here are computed from USDA/NOAA climate data and the university extension sources cited below, not a site visit or soil test. Treat this as a starting point: local conditions vary, and a local nursery or extension office can advise on your exact site. See our full Disclaimer.

Representative timing, by climate band

When to plant Eggplant in four US climates

Each column is the most nursery-dense location in our directory within that USDA zone band, computed from that location's own real median frost dates, not a made-up example.

Stage Zones 1-5 (cold winters)
Fort Plain, NY 		Zones 6-7 (temperate)
McMinnville, TN 		Zones 8-9 (warm)
Apopka, FL 		Zones 10-13 (hot, frost rare or absent)
Loxahatchee, FL
Start seed indoors Mar 4–Mar 25 Feb 3–Feb 24 Dec 23–Jan 13 –
Direct-sow outside Not available Not available Not available –
Transplant outside May 20–Jun 3 Apr 21–May 5 Mar 10–Mar 24 –
Fall planting Not available Not available Not available –
Expected harvest Jul 19–Sep 6 Jun 20–Aug 8 May 9–Jun 27 –

Zones 10-13 (hot, frost rare or absent) (Loxahatchee, FL): Frost is rare here (about 359 frost-free days a year); most years see little or no hard freeze. This is a very tender crop. In climates like this one, tender and very-tender crops typically go in before the hottest months arrive, not on a frost-relative schedule.

Eggplant transplants two to four weeks after your last frost. Colorado State University Extension and Purdue Extension both classify it very tender (Fact Sheet 7.212; HO-186-W) and agree exactly on a 60°F minimum soil temperature, one of the steadier figures on this page even though the crop's maturity numbers spread widely.

Start seed indoors six to nine weeks before your last frost, the longest indoor head start of any crop on this page besides artichoke. Days to maturity range 60 to 95: Colorado State's 60-day figure looks like a fast hybrid variety counted from transplant, while NC State's 90 to 95 and Missouri Extension's 80 to 90 run considerably longer. Rather than pick one, this page reports the full combined range and flags that the spread is wide enough to reflect real variety differences, not source error.

As a very-tender crop, a cold-winter climate means the full two-to-four-week buffer past frost matters before soil and air are both reliably warm; a mild-winter climate applies the same buffer against an earlier frost date.

Given the six-to-nine-week indoor lead time, nurseries commonly sell eggplant as an already-started transplant rather than leaving the long head start to the home gardener; seed is available for anyone who wants to start that far ahead themselves.

Frost hardiness

Very tender. Killed by even light frost or cold soil. Plant well after the last frost date, once soil has warmed.

Minimum soil temperature

60°F

For direct sowing/germination, where an Extension source stated it.

Days to maturity

60–95

Sourcing notes

From transplant. CSU and PURDUE agree on very_tender and on 60F min soil temp. DTM spread is wide and convention-driven: CSU's 60 looks like a fast-hybrid, from-transplant figure; NCSU (90-95) and MOEXT (80-90) are notably longer - flagged, reported combined range rather than picking one.

Related crops

Growing zones for this crop

Nurseries near these locations

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Sources