When to Plant Eggplant in Jefferson County, KY
Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.
Jefferson County, Kentucky is in USDA Zone 6b. The average last spring frost is April 7 and the first fall frost is October 30, giving you a growing season of approximately 206 days.
At an elevation of 3,279 feet, Jefferson County receives approximately 43.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Eggplant during the growing season.
Jefferson County Soil Profile
Soil Type
Silt Loam
Soil pH
5.2-6.6
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Eggplant Planting Timeline — Jefferson County, KY
Eggplant Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 27 | Jan 27 – Feb 10 |
| Transplant Outdoors | April 21 | Apr 21 – May 5 |
| Direct Sow | April 14 | Apr 14 – May 5 |
| Harvest | June 30 | Jun 30 – Sep 1 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
65–85 days
Soil pH
5.5 – 7
USDA Zone
Zone 6b
Growing Season
206 days
Growing Tips for Jefferson County
Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Eggplant in Other Locations
Frequently Asked Questions
When should I plant Eggplant in Jefferson County, KY?
Jefferson County is in Zone 6b with an average last frost of April 7. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jefferson County, KY?
Jefferson County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 7 and first fall frost is October 30.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Jefferson County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.
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